What is the full form of DDT?

Q. What is the full form of DDT?

A.            Diphenyldichlorotrichloroethane

B.            Dichlorodiphenyltrichloroethane

C.            Dichlorodiphenyltriphenylethane

D.            Dichlorodiphenyltrichloroethene

Answer: Dichlorodiphenyltrichloroethane