During the scientific experiment, Mr. Chen carefully poured the water into the tube, with my classmates ____ beside to see what would happen.

A．were standing

B．stood

C．standing

D．to stand

Project Time Management includes the processes required to manage timely completion of the project, these processes interact with each other. ______ is following the process - Estimate Activity Durations.

A．Develop Schedule

B．Estimate Activity Resources

C．Define Activities

D．Sequence Activities