9. _________ the bank is experiencing financial difficulty is enough to give the manager many sleepless
nights.
(A) That
(B) What
(C) So
(D) If
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統計: A(89), B(19), C(4), D(6), E(0) #1571022
統計: A(89), B(19), C(4), D(6), E(0) #1571022