In the rectangular coordinate system, line k passes through the point (n, - 1). Is the slope of line k greater than zero?
1.Line k passes through the origin.
2.Line k passes through the point (1,n+ 2).
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AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
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BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
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CBOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2)TOGETHER are NOT sufficient
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正确答案: C