对于法律溯及力的问题，我国刑法原则上采取（）原则。

A.从旧兼从轻原则

B.从新兼从轻原则

C.从旧原则

D.从新原则

I'd like to know if Lin Tao is the second _____ boy in his class. [ ]

A. older

B. the older

C. oldest

D. the oldest