Question

everything else was covered up by the flowered gown that looked more like a bedsheet with a hole cut out for her head to go through than an actual nightdress.
what does genie notice about grandma?
her head barely fits through her nightdress.
her wrinkles make her look older than she is.
her eyes look very similar to dads eyes.
her face is mostly covered up by a bedsheet.

Explanation:

The text states Grandma's gown looks like a bedsheet with a hole for her head, meaning her head barely fits through the opening of the nightdress. The other options are not supported by the provided text.

Answer:

A. Her head barely fits through her nightdress.