肝经郁热型产后乳汁自出，可表现为（）
A.乳汁自出，量多，质稠
B.口苦咽干，大便秘结
C.两者都是
D.两者都不是
参考答案：C
Obama, _______ life was once hard when he was young, were elected President of American.
A．for whom
B．who
C．to whom
D．/
在同一平面内的两条直线，如果不相交，就一定______．
