Every year, a great many visitors come to visit the temple ______ the 12th century, ______ has brought a large income.

A．dating from; which

B．dated from; which

C．which dates from; that

D．which dated from; which

下列说法中，正确的是[ ]

A．所有的卤代烃都不溶于水

B．所有的卤代烃都能发生取代反应

C．所有的卤代烃都能发生消去反应

D．所有的卤代烃的密度都比水的密度小