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 couldn't but help shedding tears at the plight of the villagers rendered homeless by a devastating cyclone.

A.

He couldn't but help

B.

shedding tears at the plight of the villagers

C.

rendered homeless by a devastating cyclone.

D.

No error.

Correct answer is A

He couldn't help