Give me the difference that how mitsuki and kawaki created

From episode 189 boruto​

hmm ffom what i know, mitsuki is artificialy made by orochimaru hence why we can make multiple mitsuki. and as for kawaki, hes a normal boy who was experimented on by jigen as a possible vessel if im not mistaken

the answer is c

explanation:

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.