In this section a number of sentences are given. the sentences are divided in three separation parts and each one is labelled(a),(b) and (c). Read each sentence to find out whethere there is an error in any divided part. No sentence has more than one error. when you find an error in any one of the divide parts (a), (b) or (c), indicate your response on the asnwer sheet at the appropriate space.
`("He has been going to the office")/a` `("for a year now,")/b` `("and he even can't understand its working")/c` `("No error")/d`.

Explanation

(c) Replace .and. by .but.