2007大學(xué)英語六級詞匯綜合輔導(dǎo)(五十七)

t is through learning that the individual _______ many habitual ways of reacting to situations.
    A) retains
    B) gains
    C) achieves
    D) acquires
    注：acquire 習(xí)得
     Language Acquired Ability 語言習(xí)得能力