The first one is B
I'd say the second one is A
The last one is C
Hi!
The answer you are looking for is: D. All of the Above.
All of the answers are correct, so it's D.
Hope this helps!
<h2><em>~~PicklePoppers~~</em></h2>
A topic refers to the particular theme or subject of a sentence, essay or speech.
In other words, it may refer to the category or class of argument or consideration.
The above sentence focuses on the theme of shift time which makes it the appropriate topic of consideration.
Therefore, the topic of the sentence is shift time change
