Which sentence is punctuated correctly?

How does kennedy describe the children who might benefit from medical space technology

Ill she not be here anon? is she not hurrying to upbraid me for my haste? have i not heard her footstep on the stair? do i not distinguish that heavy and horrible beating of her heart? what is the effect of parallelism in this excerpt? it emphasizes usher’s misunderstanding. it emphasizes usher’s love for his sister. it emphasizes usher’s psychological fixation. it emphasizes usher’s melancholy nature.

A. to transition the reader smoothly from one idea or moment intime to the nextob. to grab readers' attention and get them interested in the essay'smain topicc. to provide more supporting details about the essay's main ideasor topicod. to sum up the overall point of the essay and make a lastingimpression