Is it possible to make a decision if you don't have all the alternatives in front of you?

a$.$

It depends on your decision making style...if you are an analytical decision maker, you can make decisions without all the alternatives.

b$.$

No because they have to be ethical.

c$.$

Yes you can, but decisions may be suboptimal if the best alternative has not been identified.

d$.$

No$,$ unless you have all the options in front of you decisions can't be made.