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 presumption that the average investor does not understand or take interest in the affairs of the company is not correct.

A.

The presumption that the average investor does not understand

B.

or take interest in the affairs of the company

C.

is not correct.

D.

No error.

Correct answer is D

No explanation has been provided for this answer.