The old man lived next door. The man died yesterday (into sentence joining with who

"The old man who lived next door died yesterday."

this would be in the imperative mood. it is a category of verb forms that are used to express orders,instructions,commands or requests.

the answer is definitely option c. "sonnet xxxi best illustrates the division. in the octave, the poet observes that the moon is in love. in the sestet, he gives his reaction to the fickleness of woman's love."