17.Which of the following statements about “the effects of learners’ age on language learning” is NOT correct? (A) The older acquirers are faster acquirers for early stages. (B) The younger acquirers are superior in terms of ultimate attainment. (C) The older acquirers’ disadvantage is their being unable to obtain comprehensible input. (D) The younger acquirers’ superiority is their low affective filter.