What is one strategy to use to determine if a source is credible?

Ineed with this, i don’t know it’s display or protest

Which statement from chamberlain's speech to parliament did the least to support his cause? a. "no doubt i shall have plenty of critics who will say that i am guilty of facile optimism . ." b. "the house will remember that when i last addressed them i gave them some account of the godesberg memorandum . ." c. "therefore, it was essential that we should quickly reach a conclusion . ." d. "the relief that our escape from this great peril of war has, i think, everywhere been mingled in this country with a profound feeling of sympathy . ."

Need answer asap plz! the descriptions of the west wind in the first two sections of “ode to the west wind” are dominated by images of a. violence, death, decay, and burial. c. peace, birth, growth, and blossoming. b. sleep, dreams, fantasy, and reverie. d. translucence, light, color, and radiance.