I think it is b. Most beautiful, as c and d don't make sense. A is a possibility, but I'm pretty sure it is b. Most beautiful.
a. Macbeth is trying to pacify Lady Macbeth by organizing the banquet.
d. Macbeth is troubled by the witches' prophecy that Banquo's descendants will become kings.
If the appositive phrase is needed to define the meaning of a noun then <u>don't use a comma</u>, if the appositive phrase defines enough where it can stand by it's self alone then <u>use commas around it.</u>
The answer would MOST LIKELY be C, since lain is the verb.
