Identify the sentence that is focused on one primary idea. A. Tara enjoyed her watermelon, and the dog got a bath.
B. Tara enjoyed her watermelon on that first day of summer.
C. Tara enjoyed her watermelon, and the colonel had an argument
with a dog.
D. None of the above are correct.
SUBMI

idk

explanation:

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.  

they are both made up so they are fake.

i think it's b but i'm not 100% sure