Identify the sentence that clearly states its meaning.
A. While pouring eggnog, Buster, my dog, into the kitchen.
C. While pouring eggnog, Buster, my dog, came the kitchen.
B. While pouring eggnog, Buster, my dog, came bounding into the kitchen,
D. While I was pouring eggnog, Buster, my dog, came bounding into the kitchen.