The general use of the term 'spare' in this text refers to______. A.any unwanted e-mail B.any untargeted e-mail C.any unsolicited e-mail D.any targeted e-mail
A.A.any B.any C.any D.any
【参考答案】
C 本题可参照原文的“Theprocessofsendingunsolicitede—mailtolarge，u......