题目内容
—Are those your CDs?
—No, ________ aren’t.
| A．them | B．they |
| C．their | D．theirs |
B
解析试题分析：them人称代词宾格，他们；they人称代词主格，他们；their形容词性物主代词，他们的；theirs名词性物主代词，他们的。句意：这些是你的CD吗？——不，他们不是。结合语境可知下文用人称代词主格做主语指代上文复数名词CDs，选B。
考点：考查代词辨析
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