Question

Which sentence uses the simple past form of the verb dance?

A.
They dance quickly across the stage at the auditorium.

B.
They danced quickly across the stage at the auditorium.

C.
They were dancing quickly across the stage at the auditorium.

D.
They had danced quickly across the stage at the auditorium.

Answer 1

(This belongs in the 'English' group)
"Simple" tense means there is no need of an auxiliary verbs such as to have or to be.
Now, check with the remaining sentences which one is in a past tense.