With Regard to Project Management, Which of the Following Statements

With regard to project management, which of the following statements about project crashing is true?

A) It leads to an increase in risk and often results in rework.
B) It is an optimization technique where activities are performed in parallel rather than sequentially.
C) It involves a revaluation of project requirements and/or scope.
D) It is a compression technique in which resources are added to the project.