The following sentence has been divided into three segments, A, B, C. One of them may contain a grammatical error. Select the segment that contains the error, from the given options. If you don’t find any error, mark ‘No error’ as your answer.

He is not rich (A) / so he cannot afford (B) / to buy a expensive car (C).

A

C

B

A

C

No error

D

B