As a result of the medical advances, many people that might at one time have died as children of such infections as diptheria, pneumonia or rheumatic fever now live well into old age.
a.
b. who might once have died in childhood
c. that as children might once have died
d. who in childhood might have at one time died
e. who, when they are children, might at one time have died
pls help
I chose d. its wrong.
ans : b