391. Nuclear engineer Meena Mutyala argues that nuclear power is an environmentally ______ technology, operating with essentially no emissions.
A. munificent
B. culpable
C. inimical
D. benign
E. capricious
392. Harper Lee cannot be called ______ writer as she has published only one major work: however, her writing in that novel is so ______ , so sharply perceptive, that it has earned her enduring popularity.
A. an erudite, incisive
B. a productive, convoluted
C. a prolific, trenchant
D. a verbose, timorous
E. an astute, probing