The answer would be C. The dogs skulked, meaning that they were staying hidden and probably had a motive of some sort. Skulk basically means to keep your head down, but also implies that you have a reason for doing so. Therefore, C is the best fit.
definitely, I dont have any tight gr now because of my mom but other than that no because I cant communicate with just message because some dont have a number and it's just better to have all socials.
I don't recommend using the first person pronoun in an argumentative essay. Unless your instructor suggests that you do so, omit it from the assignment because your writing will read better without it.
The comma is not necessary in this sentence.