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

二尖瓣狭窄时，心尖部常闻及

A．开瓣音
B．奔马律
C．Austin-Flint音
D．Graham-Steell音