Rebecca's Cooking Teacher Asked Her to Determine Which Ingredients Were

Multiple Choice

Rebecca's cooking teacher asked her to determine which ingredients were in a pasta sauce. Rebecca knew that if the sauce contained oil, the oil would separate from the remainder of the sauce if she let it sit. She let the sauce sit, saw oil rise to the top, and determined that the sauce contained olive oil.
Rebecca's reasoning was questionable because it failed to consider that

A) Other oils besides olive oil can separate.
B) The sauce contained many other ingredients besides oil.
C) There are faster ways to determine if the sauce has olive oil.
D) Even if oil was in the sauce, it was not likely the primary ingredient.
E) Oil sometimes fails to separate.