He seems to Jane. He knows her well.
A. introduce to
B. be introducing to
C. be introduced to
D. have been introduced to
网友回答
A. introduce to
B. be introducing to
C. be introduced to
(答案→)D. have been introduced to
解析：考查不定式用法。本题中的不定式的完成时表示已经完成的事情，根据句意说明使用被动语态的形式。句意：他似乎已经被介绍给了Jane，他很了解她。故D正确。