1. 

DISTANT

A. Far
B. Removed
C. Reserved
D. Separate

Answer: Option A

Explanation:

Meanings of the given words:

Distant :
Separated by space.

Far :
at, to, or by a great distance (used to indicate the extent to which one thing is distant from another).

Removed : take (something) away or off from the position occupied.

Reserved : slow to reveal emotion or opinions.

Separate : forming or viewed as a unit apart or by itself.