B.)They need to be able to use a cash register to complete customer transactions
I'm pretty sure (D) is the right answer
The excessive<span> force causes the muscles to swell and</span>increases<span> the pressure against the bone, leading to pain and inflammation. Shin splints can also result from stress reactions to bone fractures. The </span>constant<span> pounding can cause minute cracks in the bones of the leg. ouch</span>