A manager has noticed that her workers are more likely to be in negative moods between $3$pm and$4$:$30$pm$.$ She believes that employees will make valuable contributions to staff meetings when they are in positive$$ moods, and that staff meetings cannot be successful unless the employees make valuable contributions. For these$$ reasons, she has moved her daily staff meeting from $3$pm to $10$am$.$ Which of the$$ following, if$$ true, would strengthen the$$ manager's argument?

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Part $1$

A$.$

If the meeting is$$ moved, the employees will perform tasks at $3$pm that are unaffected by the$$ employees' moods.

B$.$

For most of the$$ employees, attending the staff meeting is among the least important things they will do during the day.

C$.$

Other divisions typically put status update meetings in the morning.

D$.$

The overall mood of the employees has improved since the manager began supervising them.

E$.$

The level of excitement of the employees has more influence on their overall mood than their level of contentment does.