36. Hair loss is common among seniors, _____ recently that we’ve come to understand some of its causes.
(A) yet it is only
(B)is it yet only
(C) yet it only be
(D) be yet only it
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統計: A(156), B(15), C(62), D(4), E(0) #1990750
統計: A(156), B(15), C(62), D(4), E(0) #1990750