He cannot ______ the fact that he was late again for the conference at the university yesterday.

A．people of higher status are less likely to be stricken with diarrhea
B．diarrhea is no longer a serious disease in the modem world
C．diarrhea has been a threat to humanity throughout history
D．the elderly are more likely attacked by diarrhea than the young

A．withstanding the coldness
B．Camping in the mountains
C．Getting up repeatedly at night
D．Reading Shakespeare in bed