The correct answer is B.
Mrs. Boyle was murdered in an empty room. Because the lights were out, it is not known who killed her. It could be anyone -- so her murder makes the audience wonder who killed her, since it could be any one of the characters.
Why were the children absent?
Answer:
Violent Video Games. Studies have shown that violent video games are not responsible
<span>The correct answer that will complete the sentence is:
</span>A - to/for/at <span>
</span>
So the sentence becomes: “I am writing to apologize for his
deplorable behavior at the wedding ceremony.”
"To" is used to introduce a verb in its base form; "for" refers to the receiver or object; and "at" indicates a place or event.