Framton believes Vera's tale of her aunt's tragedy. What evidence from the story makes Vera appear so convincing?

A. “Then you know practically nothing about my aunt?” pursued the self-possessed young lady.

B. "Here the child's voice lost its self-possessed note and became falteringly human."

C. “I almost get a creepy feeling that they will all walk in through that window—“

D. "The child was staring out through the open window with a dazed horror in her eyes."