______spring is a season when people enjoy outdoor activities, the pollen affects many who have allergies.
A.Despite
B.Because
C.However
D.Although

A.A.Despite
B.Because
C.However

【参考答案】

D
解析：空格的句子具备了主语和谓语动词，因此空格处应当是连接词，所以(A)项就被排除了。从句子的脉络上讲，表示......

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