Pls 98 points

which sentence contains an unnecessary shift in tense

a. if anyone knows the answer, she does.

b. as i came in the front door, eddie is going out the back door.

c. a row of ants had filed up the chair leg and was about to consume our lunch.

d. the barrier will drop down every time that a train approaches the crossing.

How is the freytag's pyramid not related to the conclusion of the story? a) according to freytag's pyramid, the exposition consists of the conclusion of the story. b)according to freytag's pyramid, the exposition consists of the climax. c)according to freytag's pyramid, the exposition consists of the introductory material. d)according to freytag's pyramid, the exposition consists of the falling action of the story.