39 In immersion classes, students learn subjects in the target language through a variety of techniques. Thetechniques differ from traditional methods, which emphasize mostly vocabulary and grammar and often failto produce proficiency.Which of the following statements is correct about immersion classes?
(A) Immersion classes use a variety of traditional teaching methods.
(B) Students in immersion classes learn difficult vocabulary and grammar.
(C) Students in immersion classes fail to master the target language.
(D) Teachers in immersion classes use the target language to teach other subjects.