What is the most efficient way to reflect that six non$-$consecutive tasks are $100\%$ complete?

A

Click the first task name, press and hold SHIFT, click the last task name, and click $100\%.$

B

Press and hold CTRL$,$ click each task name, and then click the $100\%$ button on the Tracking toolbar.

C

Click each task name, and then use the $100\%$ button on the Tracking toolbar.

D

Click each task name, and then use the Task Information dialog box.