In the Figure Below,which Is NOT a Reason for the Oil

Multiple Choice

In the figure below,which is NOT a reason for the oil to migrate to the Earth's surface?

A) It is hot and flows upward because of its temperature.
B) It is lighter than any groundwater, and so it will rise through groundwater.
C) There is nothing that looks like a trap rock above it, to prevent it from rising.
D) It is under pressure and migrates upward toward lower pressure.