请选择合适的选项，补充下列英文句子：Internationalshippingrequiresmore（）shippingprocedures,thatmaketheposttimebetweentwocountriesisalwayslongerthandomesticpost. A: complicate B: complicated C: complicates D: complicating

Which of the following statement is FALSE about the factors that are closely related to FLA? A: Memory capacity is considered a privileged component of FL B: L2 proficiency is a moderator factor that complicates the relationship between memory and FL C: It is clear that FLA matters in all second language learning conditions. D: Learners seem to benefit from explicit instruction regardless of their aptitude profiles.