885-18-2

Very popular from 1900 until the 1920’s, the renewed interest in ceiling fans began when the energy crisis in 1974 forced homeowners to look for alternative methods of heating and cooling.

(A) Very popular from 1900 until the 1920’s, the renewed interest in ceiling fans began

(B) The renewed interest in ceiling fans, which were very popular from 1900 until the 1920’s, began

(C) After they were very popular from 1900 until the 1920’s, the renewed interest in ceiling fans was beginning

(D) Ceiling fans were very popular from 1900 until the 1920’s, with renewed interest beginning in them（B）

(E) From 1900 until the 1920’s ceiling fans were very popular, and now the renewed interest in them has begun

C答案如果把beginging in them改成in them begining后是不是就对了

I would pick B.

(C) After they were very popular from 1900 until the 1920’s, the renewed interest in ceiling fans was beginning

C is deadly wrong for several reasons:

1. they can not be referred to fans.

2. they and renewed interest don't match.

3. the connection of beginning and when is not too smooth.