19.The scientist’s groundbreaking research has _____ the way we understand the
human brain.
(A) simplified
(B) complicated
(C) revolutionized
(D) undermined
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統計: A(8), B(5), C(30), D(4), E(0) #3276186
統計: A(8), B(5), C(30), D(4), E(0) #3276186