Which of the Following Is the Best Example of Abuse

Which of the following is the best example of abuse of process?

A) Angel files a small-claims lawsuit against her next-door neighbor, who keeps dumping trash in Angel's backyard.
B) Jim files an unfounded criminal complaint against Francesco with the county prosecutor.
C) Lisa files a lawsuit in U.S. District Court against her employer, alleging sexual discrimination.
D) Murphy files a lien against a customer who has agreed to pay his debt over a period of several months, and all payments have been made (and accepted by Murphy) on time to date.