Set 4: Inferences

Explanation

Answer: C

PASSAGE

When startled, opossums don't actually 'play dead' voluntarily—they enter an involuntary catatonic state triggered by extreme fear. Their heart rate drops, they emit a foul smell, and they may remain motionless for hours.

What can be inferred about the opossum's 'playing dead' behavior?

A. It makes the opossum more vulnerable to predators.

B. It only lasts for a few seconds.

C. It is an automatic physiological response beyond the animal's control.✓ Correct

D. It is a deliberate survival strategy the animal consciously controls.

Detailed Explanation

This question asks you to draw a logical conclusion from the text. 'Involuntary' and 'triggered by fear' mean the response is automatic, not conscious. A valid inference must be supported by evidence in the passage, even if not stated directly. Look for clues in the text that strongly suggest the answer. Avoid conclusions that require assumptions beyond what's written. Valid inferences are strongly supported by multiple pieces of evidence in the text. Be cautious of choices that go too far beyond what the passage actually states. The best inference is the one most directly supported by textual evidence.

Key Evidence:

• "don't 'play dead' voluntarily"

• "involuntary catatonic state"

Why others are wrong: A (It's a defensive response, not a vulnerability.), B (They may remain motionless 'for hours.'), D ('Involuntary' = not deliberate.).

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