Pmzilla tough Q2

For the below question, I thought the correct answer is B but the correct answer is D - critical chain method. Any some explain me.

You are into Schedule development phase of your project. You have been asked to emphasize on resources required to do project tasks, more than task orders or schedules. With this in mind which of the following tools will you use?

Response:

A. Critical Path
B. Resource Leveling
C. Resource Calendars
D. Critical Chain Method

critical chain is resource constrained method. check pmbok again.

@YogSam : do you mean " The resource-constrained critical path is known as the critical chain"?

Coolpmp69, Its time to read PMBOK5 again. Page 178, First Para, last sentence, Thanks.

Yes. I believe you saw it. Thats the one i am referring to.