Answer:
D. His beloved will always be beautiful because it is true love.
Explanation:
In these lines, the author talks to his true love. He tells us that the lover's "summer" will never end (it shall not fade) and that she will always be fair. The author uses the imagery of summer in order to refer to the lover's beauty and youth. He tells us that her beauty will never end. In this way, the author wants to show how the depth of his love will cause him to always think of her as beautiful.
