BB Verbal T1 Q4

GRE Verbal Problem Solving
1

Under ethical guidelines recently adopted by the National Institutes of Health, human genes are to be manipulated only to correct diseases for which ------treatments are unsatisfactory.

(A) similar (B) most (C) dangerous

(D) uncommon (E) alternative

Is there any way this can be solved using the MATH Strategy? Finding it difficult to solve it normally.

2

Only to suggest that gene therapy should only be use when there is no other option.

3

Thank you !
So usually when such type of context is there in any sentence , does that always mean the same?

4

Yeah, only to means solely for certain specific purpose.