Which of the Following Statements About the Types of Organizational

Which of the following statements about the types of organizational purchases is true? 

A)  Straight rebuys have a long time frame in terms of the organizational buying process.
B)  Modified rebuys have the shortest time frame in terms of the organizational buying process.
C)  New task purchases involve evaluating many suppliers before selecting the final supplier.
D)  Straight rebuys involve evaluating many alternative options during the buying process.