Question

Besides offering physiological reward such as toned muscles, when regular karate is practised the body can be turned into dangerous weapon.
 

a) one can turn the body into a dangerous weapon through karate, if it is practised regularly

b) the body can be turned into a dangerous weapon as a result of karate if practised regularly

c) when karate is practised regularly, the body can be turned into a dangerous weapon

d) karate, if practised regularly, can turn the body into a dangerous weapon