The structuralist approach has the following features ( )
A、It views language learning as a systematic acquisition of a set of habits.
B、It measures the student’s mastery of the separate elements of the target language: phonology, grammar, vocabulary and so on.
C、It stresses that the skills of listening, speaking, reading and writing can also be tested separately as much as possible.
D、The examinee’s mastery of the language is not tested in context.