115. Many people try to save a lot of money before _____, since having enough money would give them a sense of security for their future.
(A) isolation
(B) promotion
(C) retirement
(D) announcement
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統計: A(13), B(6), C(162), D(9), E(0) #1592325
統計: A(13), B(6), C(162), D(9), E(0) #1592325