question_answer

Direction: In the following questions, a sentence/apart of sentence is underlined. Below a given alternatives to the underlined part at [a], [b] and [c] which may improve the sentence. Choose the correct alternative. In case 'No improvement' is needed, your answer is [d].

He was so afraid that his knees knocked one another.

A) one against                   

B) each other

C) Both [a] and [b]

D) No improvement