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).

The ability to plan, organise and coordinate work is all fundamental to working within deadline.

A.

The ability to plan,

B.

organise and coordinate work is all fundamental

C.

to working within deadline.

D.

No error.

Correct answer is C

to working within the deadline