Which of the following statements is NOT true of interlanguage?
A.
Interlanguage is a product of communicative strategies of the learner.
B.
Interlanguage is a product of mother tongue interference.
C.
Interlanguage is a product of overgeneralization of the target language rules.
D.
Interlanguage is the representation of learners' unsystematic L2 rules.