I think you are right. The form verbs take to express a hypothetical or possible situation.
Blank news and black news
Answer: The answer choice I will go with is B. Gertude is opening up the possibility that Ophelia did not kill herself.
Answer:
D. It could show statistics for more than one presidential election.
Explanation:
The above option is the correct answer.
The table could have been more useful and effective, if there are more statistics.
Tables are effective whenever they are used in supplying data which may not be fully explained in a text. So, giving more statistics will help whosoever want wants to read the text.