Moved a Nuc Need Opinions

[HAB]

After dark last night, sealed up a Nuc (Nuc A) and moved it about 100yrd, opened entrance, propped branch in front of entrance.

Then 10:00 this morning all the foragers are in an empty Nuc (Nuc B) two feet from where the Nuc A was moved from.   

While working nearby noticed a single bee on the right side of Nuc B SURROUNDED BY WORKERS touching her with their antennae.  They did this for about a minute then they all moved inside.

Nuc A is still packed with Bees.

Question: Do you think that was the Queen from Nuc A, another Queen, or laying worker?

Have looked and looked for a Queen in these Bees. But they are so small and fast no luck to date.  This one was at an angle such could not tell (next to a wall) 

[Michael Bush]

Doubtful that it's a queen.  Queens stay in the hive unless they are mating or swarming.

[TwT]

you never know! look at her she might have made a flight or 2 and then made another then she only knows that area, it could happen that you moved the hive 1-1000 at the wrong time so close, look at the bee they are surrounding and you will see, queens have the bald thorax and you will know if its a worker, one thing I have learn is people can tell you stuff like I am and without being there I know nothing of your situation, its all gun in hand, she could be from another hive, you just need to look at the hive and see!!!! that's all the help I can say!!