Read these two sentences, noting how the underlined word creates a transition between them.

Luna tilled up a large area of her backyard. Then she pulled out all the clumps of weeds so that she could plant a garden.

Which phrase best describes the point of the signal word then as it's used here?
Group of answer choices

It signals a shift in the story's setting.

It builds suspense.

It connects two thoughts.

It indicates the passage of time.