MBA Entrance Verbal Ability Test for MAT, MAH CET

Q.  Select the most appropriate word/phrase/idiom from the options below.

Contrary to what many devotees would like to believe, researchers have found the water of the holy river……….. harmful micro-organisms.

a. helped by
b. teeming with
c. completely free from
d. defended against

ANSWER: See Answer
No explanation is available for this question!