How about taking short break? I want to make call. A. the; aB. a; theC. the; theD. a; a

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A. the; a
B. a; the
C. the; the
(答案→)D. a; a
解析：两空均填不定冠词，因为take [have] a break和make a call这两个短语中，break和call均为可数名词，其前应有不定冠词。