Which statement provides the best analysis of the passage’s symbolism

A nimbus is a halo around a saint or supernatural being. A halo is a nimbus.

I would pick the first one. We done don't very much about some of the others.

If she saw a nimbus around him, she is giving him positive qualities that he did not have before. This looks like your answer. A is correct.

In this passage, we don't know anything about her secrets or her letters. B is not right.

We don't know (from this passage) that Granny and Doc were lovers. I wouldn't pick C.

Is she angry? We don't know that especially with that nimbus hanging around.

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.