161. What is the NOT main reason why Frank and Annie cannot take their trip to Montreal?
(A) Frank has a meeting with a client.
(B) Annie has to work on a project deadline.
(C) Frank has a business trip scheduled.
(D) Annie has plans to visit her family.
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統計: A(30), B(300), C(31), D(6), E(0) #3079669
統計: A(30), B(300), C(31), D(6), E(0) #3079669