Choose or find odd pair of words - (Farmer : Plough) , (Butcher : Chopper) , (Author : Book) , (Jockey : Tack) , (Lumberjack : Axe)

C. AUTHOR : BOOK

Complete analogous pair - Dungeon : Confinement : : Asylum : ?

A. REFUGE

Choose analogous pair - Purity : Adulteration

B. TREACHERY : SINCERITY

Choose analogous pair - Donkey : Trot

D. MOUSE : SCAMPER

Madhu and Shobha are good in Dramatics and Computer Science.
Anjali and Madhu are good in Computer Science and Physics.
Anjali, Poonam and Nisha are good in Physics and Mathematics.
Poonam and Shobha are good in History and Dramatics. Who is good in Computer Science, History and Dramatics ? 

C. SHOBHA