Please tell me the after service of the computer; I’m worried about         a break down sometime.
A．there beingB．it beingC．there isD．it is
A
考查there be句型。句中由于介詞about后接there be句型為there being，句意：請(qǐng)告訴我電腦的售后服務(wù)，我擔(dān)心某個(gè)時(shí)候電腦死機(jī)。
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