Please check my answer thanks :)

Service dogs are often taught to recall to a person

A. sitting in a wheelchair.
B. lying down.

C. standing with crutches.

D. kneeling down

I picked A

2 answers

I don't understand what "to recall to a person" means. Can you clarify?
If you mean "Signal Recall" that is done with a hand movement. The dog may be out of hearing distance, but will come to you upon seeing the hand signal.

Sra