Which is true for the simple class decleration?

Which is true for the simple class decleration?

class Person(val name:String)
a) Is package private
b) It is public
c) It has private property ‘name’
d) It can be extended by other classes

What is the answer of this question and why class keyword has small c i.e. class?

b) is true for the above question.

Classes in Kotlin are declared using the keyword class in which ‘c’ is small.
Also class by default are public also.

Ref