Don't jump to a conclusion! Let's _______ the problem first.
A:to discuss
B:discuss
C:discussed
D:discussing
据《史记》记载:一位诸侯国的国君为了报仇雪恨,“苦身焦思,置胆于座,坐卧即仰胆,饮食亦尝胆也”。这位国君是( )
血小板的生理功能是( )