Rotom looks at the two doors, then back to her companions. Rushing in would give them the element of surprise, but it was likely to be wasted if they picked the wrong door, or worse it could backfire. Allowing Daask to know they were crashing around next door could give the criminals enough time to escape.
"We should knock on the first door, I think." She says, with a tinge of nervousness, and her shield at the ready.