Select the most appropriate option to substitute the underlined segment in the given sentence. If no substitution is required, select No improvement. While Avika was watering the plants, they start raining. (a) No substitution required (b) they start raining (c) it start raining (d) it started raining

Options

A. No substitution required
B. they start raining
C. it start raining
D. it started raining

Answer

D

Explanation

Rain is an uncountable noun and "They" is a plural subject pronoun which will not come with an uncountable subject like "Rain". So "It" will replace "They".