607. His ______ showed reluctance after his friends made a request for further aid; as a result, they decided to turn to someone else.
(A) muscle
(B) outline
(C) countenance
(D) turmoil
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統計: A(8), B(9), C(43), D(9), E(0) #1592817
統計: A(8), B(9), C(43), D(9), E(0) #1592817