You ______ the dog out for a walk if it rains.[ ]

A. don't need to take

B. needn't to take

C. needn't taking

D. don't need taking

冻疮的表现（）。

A.弥漫性红斑，呈鲜红色，边界清楚

B.水肿性紫红斑块或结节

C.淡黄色或深黄色圆锥形角质栓

D.多角形或圆形苔藓化小丘疹

E.红色斑丘疹伴鳞屑