15. People have been looking forward to vacation as the COVID-19 epidemic faded away. However, due to restrictions on international travel, ______tourism seems to be the biggest winner.
(A) apparent
(B) interior
(C) terminal
(D) domestic
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統計: A(3), B(8), C(6), D(27), E(0) #2722273
統計: A(3), B(8), C(6), D(27), E(0) #2722273