患者症见：颈背强直，头痛，恶寒不发热，苔薄白，脉浮紧。治疗最佳方剂是：
A．葛根汤
B．栝蒌桂枝汤
C．羌活胜湿汤
D．桂枝汤
E．以上都不是
参考答案：A
-______ did Tom go on weekend?
-He went to the mountains. [ ]
A. What
B. When
C. How
D. Where
