The thinker, head in hand, ________ his right arm on his left knee, gained its current title when

________ in Paris in 1890.[ ]

A. rested; was exhibited

B. resting; exhibited

C. resting; exhibiting

D. being rested; being exhibited

血小板比容（）。

A.PCT

B.MPV

C.RET

D.MCHC

E.MONO%