Rosita is said _____ in Japan, but I don’t know what city she studied in．

A．to have studied

B．to study

C．to be studying

D．to have been studying

某日08时定时观测时，发现温度计自记钟停在07时40分处，笔尖指在9.8度处，该时温度读数为（）度。

A.缺测

B.-9.8

C.9.8

D.9.8*