Kites . . . . . . by Children, adult, girls and boys in India.

A. are fly

B. flew

C. are flown

D. flying

Answer: Option C

Solution(By Examveda Team)

Sentence is in present tense with passive voice.
Rule :
Subject + is/am/are + V³ + other agents.
Kites are flown by Children, adult, girls and boys in India.