I'm afraid that it is you,
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B. rather than; that are
i'm afraid that it is you, rather than Bernard有点比较的意思,把你和bernard的谴责度（?）比较.应该被谴责的更是你而不是bernard.
用that are,是因为前面是you,第二人称you
======以下答案可供参考======
供参考答案1:
C供参考答案2:
Brather than :而不是
be to blame:应受责备
句子用了强调句型，It is you……that……
恐怕是你该受到责备，而不是伯纳德。