我国周边海域中，与其他国家存在领土归属争端和海洋权益争端问题最多、最复杂和海域是。（）
A.渤海
B.黄海
C.东海
D.南海
参考答案：D
Do you want these ________ those?[ ]
A. and
B. or
C. but
-- Gina, happy birthday to you! ______
A．Thank you.
B．Thank you! And the same to you.
C．The same to you.
D．Yes, I’m very happy.
