A is tempting but it doesn’t have to be true. You can put a female snake with a male snake.
So we can have two females together, two females together and then a male and female together. There would be no females alone.
B is wrong. Question 8 shows us that we can have both the males together. None are alone.
C is CORRECT. We have three lizards. We can’t put lizards with snakes. So even if we put two lizards together we’re still stuck with one.
D is wrong. In Question 7 the correct answer (B) has two male snakes and no male lizards.
E is wrong. In Question 8 there are two male lizards and no male snakes.
On “must be true” questions, it’s very useful to look back at previous questions to eliminate answers.
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