Sentence Improvement - Verbal and Reasoning

Directions to SolveIn questions given below, a part of the sentence isitalicised and underlined. Below are given alternatives to the italicised part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, option 'D' is the answer.
Q1:

While crossing the highway a five year old child was knocked out by a passing car.

A away

B up

C down

D No improvement

ANS:C - down

No answer description is available.