—How about some more coffee?

—It’s very kind of you. ___________.

A．That’s all right

B．It tastes nice and sweet

C．Just a little,please

D．I enjoyed it very much 

下列诗句都描述了当地的自然景观，从中可以看出，生态环境最差的是（　　）

A．乱花渐欲迷人眼，浅草才能没马蹄

B．探花蛱蝶深深见，点水蜻蜓款款飞

C．一川碎石大如斗，随风满地沙乱走

D．两只黄鹂鸣翠柳，一行白鹭上青天