Mark the letter A, B, C, or D on your answer sheet to indicate the wo...

Question

The experimented vaccine seems to have both desirable...

Mark the letter A, B, C, or D on your answer sheet to indicate the wo...

0

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following question.
The experimented vaccine seems to have both desirable and detrimental effects on the subject’s immune system.

beneficialneutralneedyharmful