In AVR, Timer O is stopped if:

Select one:

a$.$ CSO$2-$CSOO bits of the TCCRO are set to $011$

b$.$ CSO$2-$CSOO bits of the TCCRO are set to $111$

c$.$ None of the mentioned

d$.$ CSO$2-$CSOO bits of the TCCRO are set to $001$

e$.$ The Timer $0$ Overflow Interrupt Enable TOIEO bit is enabled