In this question, sentence is given with blank to be filled in with an appropriate word. Four alternatives are suggested for question. Choose the correct alternative out of the four.
There were two small rooms in the beach house ...... served as a kitchen.

Options

A. the smaller of which
B. the smallest of which
C. the smaller of them
D. smallest of that

Answer

C

Explanation

As there is comparison between two, Comp. Deg. will be used.
Here, the smaller of them is the right usage.