Directions: In the sentence given below, one/some parts have errors and others are correct. Find out which part has an error and mark it as your answer. If there is no error mark 'No error' as your answer.

Wearing an ordinary cloth mask does not filter out the virus completely./ (A) But it does reduce the force with which air and water droplets carrying/ (B) the virus is expelled from a person’s/ (C) mouth and nose when he or she coughs, sneezes, or speaks loudly./ (D)