why are option C and D rejected?

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Gusty westerly winds will continue to usher in a seasonably cool air mass into the region, as a broad area of high pressure will build and bring fair and dry weather for several days.

A. to usher in a seasonably cool air mass into the region, as a broad area of high pressure will build and
B. ushering in a seasonably cool air mass into the region and a broad area of high pressure will build that
C. to usher in a seasonably cool air mass to the region, a broad area of high pressure building, and
D. ushering a seasonably cool air mass in the region, with a broad area of high pressure building and
E. to usher a seasonably cool air mass into the region while a broad area of high pressure builds, which will

 

 

OA : E

Source: OG 18

can someone explain why C and D are rejected ?

 

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1 Answer(s)
Best answer

It is important to understand the meaning of the sentence to answer this question. The sentence involves 3 events.

  1. Winds will bring in a cool air mass into the region
  2. A broad are of high pressure will build
  3. Bringing fair and dry weather

How are the 3 events connected? 1 and 2 happen at the same time. Only options A and E bring out the relationship between 1 and 2 rightly. “while” and “as” are used to show that the 2 events happen at the same time.

3 is dependent on 1 and 2. If 1 and 2 don’t happen together, 3 cannot happen. “Which” in option E rightly brings out the dependency of 3 on 1 and 2.

Other reasons to eliminate the wrong choices are:

A and B: to usher in…….into – Redundancy issue – Hence these answer choices are incorrect

C: “to the region, a broad area of high pressure building” – This sentence means the region is a broad area of high pressure. “Broad area of high pressure” doesn’t refer to a region but to a weather condition. Hence this answer choice is incorrect

D: “Gusty westerly winds……with a  broad area of high pressure building” alters the meaning of the sentence. It sounds as if the 2 joined forces to create a fair and dry weather. Hence this answer choice is incorrect

Happy to help 🙂

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