选A
这是个固定用法...
当先行词被the only ,the very,the same等修饰时,关系代词用that
例:That`s the only thing that we can do now.
还有一些情况,
1 当先行词是形容词最高级或序数词或被其修饰时
2 当先行词是不定代词或被不定代词修饰时
3当先行词是一个既指人又指物的并列词组时
4 当先行词是the way ,the time,the period等时
等等,
先行词都用that
选A
这是个固定用法...
当先行词被the only ,the very,the same等修饰时,关系代词用that
例:That`s the only thing that we can do now.
还有一些情况,
1 当先行词是形容词最高级或序数词或被其修饰时
2 当先行词是不定代词或被不定代词修饰时
3当先行词是一个既指人又指物的并列词组时
4 当先行词是the way ,the time,the period等时
等等,
先行词都用that