With time changing so fast, to keep _____ with time, anyone should be a lifelong learner, or he will fall behind within years.

A．pace

B．stage

C．fare

D．Attitude

哈尔滨工程大学的校训是（）

A.自强不息，厚德载物

B.自强弘毅求是拓新

C.大工至善，大学至真

D.自强不息止于至善