Read the sentence below to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Choose the option with that part as your answer. If there is no error, choose 'D' as your answer. (Ignore the errors of punctuation, if any).

He says that his car does eight kilometers in a litre

A.

He says that

B.

his car does

C.

eight kilometers in a litre

D.

No error.

Correct answer is C

'eight kilometres per litre'