15. More than half of the survey respondents said that their salary was low, _____ 24% said they were satisfied
with their salary.
(A) on
(B) at
(C) moreover
(D) while
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統計: A(33), B(31), C(140), D(351), E(0) #2571433
統計: A(33), B(31), C(140), D(351), E(0) #2571433