Oprah Suffered a Broken Collarbone as a Result of Sheldon's

Oprah suffered a broken collarbone as a result of Sheldon's negligence. She later suffered a broken foot as a result of Tom's negligence. Tom dropped a heavy box on Oprah's foot while she was getting out of her car at her physiotherapist's office. She was visiting her physiotherapist for rehabilitation of her collarbone. She would not have been in that parking lot, and therefore would not have suffered a broken foot, if Sheldon had not negligently caused the first injury. Which of the following statements is most likely TRUE?

A) The case involves an issue of intervening acts under the rules of remoteness.
B) Tom did not owe a duty of care to Oprah because she alreayd was injured.
C) If Oprah's injuries cause her to miss work, she will be able to recover full damages from Tom and again from Sheldon.
D) Tom is liable for contributory negligence.
E) A court will deny damages on the basis that Oprah voluntarily assumed the risk