HELP I HAVE LITTLE TIME I AM ON ATEST HELP PLEASE 2 SD FGAHEGFHYSEGIUSDFXH Which of the following is a Complex Sentence:

A. Gustavo was a man who worked hard to create his empire.
B. Although Gustavo treated him well, Walter betrayed his trust.

Buck did not cry out. he did not check himself, but drove in upon spitz, shoulder to shoulder, so hard that he missed the throat. they rolled over and over in the powdery snow. spitz gained his feet almost as though he had not been overthrown, slashing buck down the shoulder and leaping clear. twice his teeth clipped together, like the steel jaws of a trap, as he backed away for better footing, with lean and lifting lips that writhed and snarled. read this passage. explain what the conflict shows about buck and spitz.