Which of these lines provides important information for the resolution of the play?
a. o banquo, banquo! /our royal master's murder'd!
b. to crown my thoughts with acts, be it thought and done: /the castle of macduff i will surprise
c. hail, king, for so thou art: behold, where stands/the usurper's cursed head:
d. and, for an earnest of a greater honor,/he bade me, from him, call thee thane of cawdor

i would say it means that you're never alone, that there will always be people supporting me and showing me that they care for me and love me

explanation:

cassius, casca, and their allies plant false documents to manipulate brutus to join their cause to remove caesar. after doing so, they visit brutus at night in his home to persuade him of their views. there they plan caesar's death. brutus is troubled but refuses to confide in his devoted wife, portia. on 15 march, caesar's wife, calpurnia, urges him not to go to the senate. she has had visionary dreams and fears the portents of the overnight storms.