Which of the Following Is True of a Nondisclosure Agreement

Which of the following is true of a nondisclosure agreement?

A) It requires employees to promise not to reveal any confidential trade secrets, should they leave their present employment.
B) It limits a worker's employment options after leaving his or her present job in order to protect the present employer's confidential matter.
C) It restricts the seller of a business to enter the same type of business during a reasonable time and within a reasonable geographical area.
D) It states that the party who wrote the contract will not be liable for any economic loss or physical injury, even if that party caused the loss or injury.