7.) items that were once sold at yard sales, given to friends, or donated to charity now sit untouched for years at a time. i need answer the question. which number is main idea?

Which excerpt is told from third-person point of view? o a. i walked slowly along the canal and said aloud to myself, "emma, what are you doing here? " b. you walked slowly along the canal and said aloud to yourself, "i have no idea what i'm doing here. c. emma walked sidly along the canal and said aloud to herself. "i don't have a clue what i'm doing here." d. walking slowly along the canal. i said aloud to myself, "emma, you have no idea what you're doing here.

During the industrial age, what was one important way businesses told consumers about new products? through phonographs through telephones through telegraphs through catalogues

How do i correct this sentence correctly?