Kira leaned against the tree. She read her book. The sun shone through the branches. Leaves shivered in the cool breeze. Their shadows
danced on the soft grass,
Which answer option best revises the passage by using a variety of sentence
structures?
A. Kira leaned against the tree and read her book. The sun shone
through the branches. Leaves shivered in the cool breeze, and
their shadows danced on the soft grass.
B. Kira leaned against the tree, read her book, the sun shone through
the branches, Leaves shivered in the cool breeze, their shadows
danced on the soft grass.
C. The sun shone through the branches. Leaves shivered in the cool
breeze. Their shadows danced on the soft grass. Kira leaned
against the tree. She read her book
D. Kira leaned against the tree and read her book, the sun shone

A is the best option

Explanation:

A makes the most sense and has a good flow

taking into account that a theme is the central topic a text treats and can be developed through a story, play, poem etc. the following are themes that can be further developed:  

my best friend jeffrey has many unusual interests. (the story could be about each of the unususal interests)

once a man gives his soul over to evil, he can never go back. (this could be a saying or a proverb)

the three sheepdogs lay around the yard all day. (it could be developed detailing how each of these sheepdogs lay around)

a priest's collar has an unusual effect upon people. (it could be developed detailing the different effect upon people)

innocence is a powerful force in a world full of corruption. (it could be developed detailing how is a world full of corruption)

king lear is a play shakespeare wrote later. (it is just a sentence and doesnt give any idea or topic to be discussed in details.

evil often wears the disguise of innocence. (this could be a saying or a proverb)

yes

explanation: