Some women ______________________ (本来在工作中能够有一份不错的收入) instead of staying home, but they decided not to work for the sake of the family.

A．across
B．about
C．around
D．by

A．drivers should apply courtesy properly
B．strict traffic regulations are badly needed
C．road courtesy should be valued in any circumstance
D．drivers should encourage old ladies to cross the road