ما في الا انا بس انا عندي مشكلة ما عندي شي انا عندي مشكلة في حياتي انا عندي مشكلة
Macbeth is both excited and fearful after hearing the witches predictions about his future because the witches told Macbeth that he would be king, and he is worried about his role in making the prediction come true.
Because in 250 million years the Earth might on be only continent <span />
The only conjunction in this sentence is C) but.
All of the other options are prepositions, not conjunctions.