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.
<span>Type 2 diabetes, being the form of diabetes acquired in later life, usually around age 40, rather than the congenital type, comprises the vast majority of diabetes cases worldwide. The percentages of sufferers with the different types varies slightly in different countries but is broadly similar: in the UK, 90% of diabetes sufferers have Type 2 diabetes. Therefore (d) is the correct answer.</span>