题目内容：
Agoodcriticalthinkeralways
A．involvesmoredirectobservationsthanpurereasoning. B．takesallargumentforgrantedatthebeginning.
C．beginswithaskepticalattitudetowardsanargument.
D．putsmollemphasisonintellectualvalues.
参考答案：
答案解析：