Jane has ______ from school for 2 years. When she ______ the happy time, she always misses her teachers and classmates.
A：graduated; think back to
B：been away; thinks back to
C：been away; thinks about
D：graduated; thinks of
下列行为我们倡导的是（ ）
下列句子中，没有语病的一项是 （ ）
