All of the following adjectives can describe Tarrington EXCEPT ______.

A．the girls are irritable sometimes.
B．the girls are exhausted someday.
C．the girls say they hate school.
D．the girls lie and play truant.

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.