The Reset Picture option can restore an image to its original settings

What are the first two lines of the implementation of replace, a member function of the template

class indexList, whose prototype is: bool replace (int, const T&);

Recursion is often less efficient than iteration because ________.

a. it can cause an explosion of method calls. b. it is not as intuitive. c. recursive methods are harder to debug. d. recursive methods take longer to program.