15. The country’s population aged 65-and-over reached 50 million for the first time in 2016 and is expected to
continue growing ________ the “baby boomers” reach retirement.
(A)like
(B)as
(C) for
(D)yet
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統計: A(22), B(74), C(36), D(9), E(0) #1889766
統計: A(22), B(74), C(36), D(9), E(0) #1889766