Fill in the blanks in each of the following statements:

a$)$ The LINQ. clause is used for filtering.

b$)$ The is called by the garbage collector before it reclaims an object's memory.

c$)$ A base class's members can be accessed only in the base$-$class declaration and in derived$-$class declarations.

d$)$ Methods in a class that do not provide implementations must be declared using keyword

e$)$ Derived$-$class constructors can call base class constructors via the keyword.