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New TOEFL IBT Pratice Test #009

New TOEFL IBT Pratice Test #009

Listening | Question 18 of 18

Listen to an Academic Talk

Why does the speaker say the cuckoo's strategy is "ruthless"?
A) To highlight the negative outcome for the host species
B) To suggest that cuckoos are not intelligent
C) To explain why the cuckoo population is declining
D) To criticize scientists who study this behavior