In Report Studio, a block object contains a text item in the page header. If the author reuses the
block in the page footer, which of the following is true?

A.
The author can replace the child object with an object of a different type.

B.
The author must replace the child object with an object of the same type.

C.
The author can replace the parent object with an object of the same type.

D.
The author must replace the child object with an object of a different type.

Explanation: