Read the sentence to find out whether there is an error in it. The error, if any, will be in one part of the sentence. The number corresponding to that part will be your answer. If the given sentence is correct as it is, mark the answer as 'No error'. Ignore the errors of punctuation, if any.
The aircraft returned to (1)/ the airport soon after (2)/ the take off as the pilot (3)/ encountered some technical snags (4).

Options

A. 3
B. 1
C. 4
D. No error

Answer

D