鲜红色圆形斑疹，直径2～3mm，为病灶毛细血管扩张所致的是（）
A.斑疹
B.玫瑰疹
C.丘疹
D.斑丘疹
E.荨麻疹
参考答案：B
They have some difficulties. Can you help_________?[ ]
A. they
B. them
C. themselves
D. it
