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 eminent speaker's speech was broadcasted over all the major radio-stations.

A.

The eminent speaker's speech

B.

was broadcasted over

C.

all the major radio-stations.

D.

No error.

Correct answer is B

was broadcast over