In the last line of the passage, the word "excused" probably means（）

A．more than 30 thousand drivers are killed each year
B．more than 30 thousand front seat passengers are seriously injured each year
C．the number of drivers and front seat passengers that are killed or injured every year is over 30 thousand
D．front seat passengers are only seriously injured

A．his three passions were uncontrollable
B．his three passions were very simple
C．he could govern his life
D．he could govern his passions