Mark the alternative that presents an example of adverbial clause of contrast: a. I will wait for you until my friend Susan arrives. b. Although ...

Mark the alternative that presents an example of adverbial clause of contrast: a. I will wait for you until my friend Susan arrives. b. Although he was sick, he went to work. c. When she arrives I will call you. d. Because of the rain I didn’t go jogging. e. Because it was very hot, we opened the windows.