Select the most appropriate option to fill in the blank.When you want to expand your vocabulary the best thing to do is to relate a known word with an ______ one and guess the meaning from the context.

Select the most appropriate option to fill in the blank.When you want

1.	Select the most appropriate option to fill in the blank.When you want to expand your vocabulary the best thing to do is to relate a known word with an ______ one and guess the meaning from the context.
A.	unclear
B.	essential
C.	unfamiliar
D.	unnecessary
Answer» D. unnecessary