23. Research shows the proportion of migrant workers and industrial and service workers willing to express opinions
is higher than _______ of corporate managers.
(A) this
(B) that
(C) these
(D) those
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統計: A(6), B(86), C(14), D(141), E(0) #2297941
統計: A(6), B(86), C(14), D(141), E(0) #2297941