中国现存最早的一部完备法典( )
A:《史记》
B:《唐律疏议》
C:《资治通鉴》
D:《金刚经》
(____)A.Look,what's that?
(____)B.OK.Let's go.
(____)C.Today is fine. Let's go to the zoo.
(____)D.It's a lion.
(____)E.Hello,boys and girls.
(____)F.Hello,Miss Liu.
(____)G.Oh,it's big.
腔肠动物和扁形动物的共同特征是( )