Answer:
NONE of these sentences is written correctly.
Step-by-step explanation:
corrections:
A. While Jonathan was napping, I finished doing the dishes. (the word 'while')
B. Although the lasagna looked terrible, it tasted wonderful. (the word 'although')
C. Ever since I was a teenager, I have loved going to the theater. (the word 'I')
D. Pepper and I decided it was time to head home. (the word 'decide')