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【单选题】
”如果明天天气好,那么我就去郊游“这个命题为真,会出现下面哪些结果? 1、明天天气好,我去郊游。 2、明天天气好,我没去郊游。 3、明天天气不好,我去郊游。 4、明天天气不好,我没去郊游。A.
1、4
B.
1、2、3
C.
1、3、4
D.
2、3、4
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