Answer: D. They are guilty of conspiracy
Explanation: The fact that Jennifer and Angela did not commit the crime, nor the fact that they drove the car to the bank was an act of attempted crime, nor was the fact that they had a bomb an attempt to commit a crime.
The two are guilty of conspiracy because they both agreed to commit the crime by preparing a plan for it, and the fact that there were at least two of them to make conspiracy possible. So it is enough for a conspiracy act to consent to a crime, whether or not the crime is committed. In addition, under most legislation, it is necessary that in addition to consenting to a crime, some of the conspirators must commit the so-called overt act, which is an act to incite crime, and in this case it would be to bring the car to the front of the bank.