Answer: C) Tutankhamun gained physical abilities through swimming, weapons training, and driving a chariot to make him a strong leader.
The claim of this particular statement is that he 'gained physical abilities'. Then, there were examples given to support this statement (swimming, weapons training, etc) which were all types of physical activities.
Cassius wants brutus (Caesar's nephew) to kill Caesar in the senate house with a whole bunch of other senators...