Which of the Following Is True Regarding the Right of Dusty

Which of the following is true regarding the right of Dusty to collect rent payments from Christen?

A) Christen owes no duty to pay any rent to Dusty because she validly transferred her rights and obligations under the lease.
B) Christen only owes a duty to pay Dusty if Doug has been declared bankrupt by the bankruptcy court.
C) Christen only owes a duty to pay Dusty if she agreed with Doug that she would do so if he became unable to pay.
D) Christen only owes a duty to pay Dusty only if Doug committed waste on the property.
E) Christen owes a duty to pay Dusty.