Jenny's best friend Doris got a bad case of food poisoning after eating at a Mexican restaurant. For weeks afterward, every time Jenny spent time with her, Doris would go on and on about how awful it was. Now Jenny refuses to touch Mexican food because she thinks she may get sick too. It appears Jenny has fallen prey to the bias in decision making called:

The correct answer is availability heuristic

Explanation:

The availability heuristic is understood as a shortcut of the mind that only takes into account close memories or examples that are taken as references in order to make judgments, evaluate concepts and establish specific methods. Brain activity often works on the basis of previous patterns, as it tries to optimize its activity in order to invest a lot of time or additional efforts to draw conclusions about aspects of life itself.

the answer is d.index

the template that is used is page layout then the margins option and finally choose the normal option.