Sub-adult dolphins have to face much more danger than grown-up ones; as a result, they often follow their mother until fully developed

Sub-adult dolphins have to face much more danger than grown-up ones; as a result, they often follow their mother until fully developed.
A. Mature
B. Teenage
C. Youngster
D. Elderly

Trả lời
Đáp án đúng là: A

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