Usage of "Rather than" means preference of one over another and Usage of "instead of" means replacing one thing with another.Moreover instead of can only be used in case of Noun and verbs or actions so in below only
A recent study has found that within the past few years, many doctors had elected early retirement rather than face the threats of lawsuits and the rising costs of malpractice insurance.
(A) had elected early retirement rather than face --- no two actions are there so usage of had not correct.
(B) had elected early retirement instead of facing --- out instead of is used
(C) have elected retiring early instead of facing --- Out instead of is used
(D) have elected to retire early rather than facing --- to retire not parallel with facing
(E) have elected to retire early rather than face --- correct construction
had to think between A and E which one is better got confused went with the gut feeling more then logical approach
I will give a Fight till the End
"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."
- Bernard Edmonds
A person who is afraid of Failure can never succeed -- Amneet Padda
Don't Forget to give the KUDOS