How should the developer configure the conditional view to meet this requirement?

In an OmnoScript, a developer needs to configure a Disclosure element to require user input only if the user already checked a Non-Disclosure Agreement Checkbox.

How should the developer configure the conditional view to meet this requirement?
A . Show element if true
B . Disable read only if true
C . Set element to optional if false
D . Set element to require if true

Answer: A