遵循思维的基本规律

只有遵循逻辑思维的基本规律，才能做到判断恰当，推理合乎逻辑。它的基本规律包括：同一律、矛盾律和排中律等。如：

The police brought a little boy to Mrs Jones.Mrs Jones said he was herchild，but the boy himself said he was not her child，the logical

（逻辑的）conclusion is .

1. they could both be right.

2. they couldn't both be right.

3. neither of them could be wrong.

4. they could both be wrong.

根据排中律、在真与假、是与非之间不能两者都肯定，故 A、C 错误，也不能两者都否定，故 D 也错误。这样自然正确答案是 B。