——Do you have any idea when the project will be carried out?

—No, but I have heard that it was not until last month _______ it was approved.

A．that

B．when

C．since

D．before

患者发生骨髓移植时，护士对患者的指导正确的是：（）

A.患者易产生焦虑情绪，需要患者家属经常探视

B.患者宜进食高热量、高脂肪饮食

C.患者宜多食坚果，以提高免疫力

D.病室严禁通风，避免感冒

E.女性患者化疗后月经期间出血量及持续时间一长，及时报告