Understanding the six ‘skill related fitness’ components which are : agility, balance, power, how fast you are, your reaction time, and how coordinated you are.
Now. Standing long jump, requires skill in power. Let me explain:
Power is the ability to constrict your muscles as quickly as possible. Power, then, uses strength and speed.
I dont know how many components you are allowed to use, but if its just one, say Power, if its more than one, then power, strength, and speed.
Dangerous conditions influencing sport injuries include all answers which you've mentioned (overuse, overexertion, and incorrect technique). It doesn't, however, include practicing and drills - d.
Practicing and drills is the thing which would help us become more profficient at a certain task and eventually sport through it.
C/ depression or A/ ephoria
i think is C