Multi-choice problem: Continue writing the next sentence in this paragraph:

How to make cheesy chicken spinach stuffed shells 
Preheat oven to 450 ° f (232 ° c). 
Sprinkle chicken breasts generously with salt and pepper and roast for 30-35 minutes. 
Bring a large pot of water to boil and add salt if you'd like.

Choices:
A). Chop onion and crushed garlic and then place the chicken breast into the boiling water and turn on the broiler. Blend the onion and marinate for 5 minutes and after 10 minutes season with both garlic and salt.;
B). Drain excess water from chicken breasts and chop them finely. Add the garlic and herbs and cook them for 15-30 minutes.;
C). Boil eggs in the pot and let them boil for 10 to 15 minutes. Put all the ingredients in a container large enough to hold all the ingredients except chicken (this is optional).;
D). Boil pasta shells until al dente, about 12 minutes. Drain and rinse cooked pasta shells with cool water.;
D).