题目内容
（请给出正确答案）
[主观题]
The text is mainly aboutA．the contributions of two scientists to psychological studies of
The text is mainly about
A．the contributions of two scientists to psychological studies of language.
B．the psychological studies on language learning in the 1950s.
C．Carroll's studies on the hypothesis put forward by Penfield.
D．the influence of language learning on psychological studies.
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