Which statement best differentiates an attempt from a conspiracy?

Which statement best differentiates an attempt from a conspiracy?

• A. Attempt requires a substantial step toward completion of a crime; conspiracy requires an agreement to commit a crime and usually an overt act by one or more conspirators.
• B. A single individual can commit conspiracy without accomplices.
• C. An attempt can be completed without any substantial step.
• D. Conspiracy requires the crime to be completed before liability attaches.

Answer: (A)