The correct answer is letter B. Visual aids should be used in expository presentation to supplement the presentation. However, the speaker must not solely depend on this because expository presentations should be quick and very concise in delivering the message that the person is conveying to his audience.
I'm not entirely sure what you need us to do here. Do you need to write a verb that would fit the sentence? If so, do you have any options? If not, here are some verbs that would complete the sentence properly: right, undo, redress, make up for, compensate for, apologize for, etc. Hope this helps!
Answer:
You cannot use "because" to make a simile. Similes are made with the use of the words "as" and "like"
