Which sentence does not contain any errors in comma usage?

a.
mrs. fanelli whom we know from our neighborhood can fly airplanes.

b.
a famous author, whose name escapes me right now will give a speech at the library.

c.
bobby thompson, whose middle name is herbert, lives three doors away from us.

d.
vanessa whom you don't know, will ride on a float in the parade.

Iwill give you 90 points read this entry from a blog about service dogs. lexie, an eight-month-old black labrador retriever, is sleeping quietly at my feet. i can’t but think that her soft, velvety ears and alert brown eyes would make her the perfect “doggie model” for pet magazines and pet store ads. however, lexie will soon have a much more important job to do. in a few months, she will become the loyal companion and service dog for a young man who has been blind since birth. she will him board public transportation, such as buses, subways, and trains, and she will him safely cross busy intersections. lexie will even the young man avoid obstacles, such as high curbs and low overhangs. like all dogs in our organization, lexie has undergone months of specialized training to a visually impaired person lead an active and independent life. what is the primary purpose of this blog? to inform readers about seeing-eye dogsto entertain readers with stories about lexieto persuade readers to support service dogsto convince readers to adopt seeing-eye dogs

Then she heard his step on the stair away down on the first flight, and she turned white for just a moment. the phrase "she turned white for just a moment" is mainly used to show that della has very fair skin. is afraid of jim's reaction. is beginning to get an illness. had become extremely angry.

Match the sentence to its correct verb mood