Which of the Following Statements A), B) or C) Is

Which of the following statements a) , b) or c) is false?

A) A class can also support setting its attribute values individually via its properties. Assuming hour is a property of wake_up's class, the following statement changes an hour property value to 6:
Wake_up.hour = 6
B) Though the statement snippet in Part (a) appears to simply assign a value to a data attribute, it's actually a call to an hour method that takes 6 as an argument.
C) The hour method mentioned in Part (b) can validate the value, then assign it to a corresponding data attribute (which we might name _hour, for example) .
D) Each of the above statements is true.