在中国古代社会，收养养子时，往往有“异姓不养”的规定。如明清律法都规定，若收养异姓子为嗣，则收养人和送养人都要被杖六十下，其子归宗。下列制度与此规定有关联的是   (    )

A．分封制

B．科举制

C．察举制

D．宗法制

–Your spoken English is much better.

--Thank you. My teacher often asks us ________ English as ________ as possible.

A．to speak; many

B．not to speak; much

C．to speak; much

D．not to speak; more