Which line of code should you use?

You are developing an application in HTML5.
You have the following code.

You need to add an additional property to the function definition.
Which line of code should you use?
A. NewOrder [“newProperty”] = “newProperty”
B. NewOrder. prototype. newProperty = “newProperty”
C. this.NewOrder. newProperty = “newProperty”
D. NewOrder. newProperty = “newProperty”