Your travel plan wonderful.I like it.
A:smells
B:tastes
C:feels
D:sounds
小兰和小敏是好朋友,小兰的学习成绩不如小敏。新学期开始,小兰决心努力超过小敏,但当小敏向小兰借她新买的学习资料时,小兰想了想还是借给了小敏,这是因为小兰懂得 ( )