He is a good teacher who always thinks more of the public than of himself, _____ we should follow

the example of. [ ]

A. which

B. one

C. the one

D. whoever

金属甲的比热容大于金属乙的比热容。它们的初温相同。放出相等的热量后，它们的末温仍然相同。由此可知，它们的质量关系可能的是 [ ]

A．m_甲：m_乙=1：1

B．m_甲：m_乙=3：2

C．m_甲：m_乙=2：5

D．m_甲：m_乙=4：3