Raul Has No Motivation to Read the Chapters from His

Multiple Choice

Raul has no motivation to read the chapters from his biology textbook that were assigned for homework.According to the Premack principle,Raul could reinforce his textbook reading by doing which of the following?

A) doing something enjoyable after he reads
B) doing something enjoyable before he reads
C) spending more time reading the textbook
D) spending less time reading the textbook