Your answer would be the first one!
B. Adverbs describe verbs (things that are actions). Being tall isn't something the basketball player is doing, it is a description of them as a person.
The author's purpose in this passage is to inform. The author is informing the reader on how Elizabethans would typically store their food. It goes into details of differences between food types and some options for storing food and getting nourishment in summer and winter.
