单选题
The passage tells us that the best time for a child to learn languages is ______.
A、
before seven years old
B、
from birth to three years old
C、
in his childhood
D、
in his teens
【正确答案】
B
【答案解析】
本题是细节题。答案在第二段的第五句话Thibaut says the best time to expose children to language is from birth to 3 years old．
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