The couple is considering a 3D TV set for their new flat, which is widely considered to be in fashion．
A. to buy
B. buy
C. buying
D. to be bought
网友回答
A. to buy
B. buy
(答案→)C. buying
D. to be bought
解析：句意：这对夫妇正在考虑为他们的新公寓买个3D的电视，这被广泛认为是一个时尚。Consider后面接动名词做宾语，所以选C。