Some parts of the sentances have errors and some are correct. Find out which part of a sentence has an error and blacken the over corresponding to the appropriate letter (A), (B), (C) . If a sentence is free form error, blakcen the over corresponding to (D) in the Answer Sheet.
On entering the crowding room/I could not (A) see open person (B) whom I knew. (C) No error (D)

Answer

A

Explanation

Change .crowding. to .crow-ded.