The researchers holding a sociocultural perspective in SLA argue that ___. A: Language learners co-construct knowledge together B: Language learners could develop their language proficiency through focusing on accuracy instead of fluency C: Language leaners could learn a language through using the language for meaningful communication D:              Language learners could learn a language only if they were given comprehensive input. 答案:  Language learners co-construct knowledge together;  Language leaners could learn a language through using the language for meaningful communication