The Client Is Able to Perform His Own Injection,but Requires

The client is able to perform his own injection,but requires help to insert the insulin cartridge and "dial up" the correct dose on the insulin pen.The personal care provider has no experience working with insulin pens.In this situation:

A) the personal care provider can assist the client by taking direction from the client
B) the personal care provider can assist the client by calling the pharmacist
C) the personal care provider may not assist in the administration of this medication
D) the personal care provider can "dial up" the correct does for the client