D is correct because it was the beginning of the conversation and also because unlike C, when the guard shouted "or" it wasn't the start of the conversation but a continuation so it didn't need capitalization.<span />
Egg, larva, pupa and adult for an animal
Use language that's easy-to-understand. If there's a piece of vocabulary that you feel needs clarifying, define it!
Nobody likes a short, one-word-answer. Let’s make sure other people understand everything.
Explain everything. Imagine that the person who was asking, knows nothing at all so you need to start from the very beginning.
C. Topic sentence
Already took that test.
1)Averages could be done.
<span>2)Experiments or "works" could be repeated many times. </span>
<span>3)Limiting factors likely to introduce errors could be avoided.</span>