OCP : Oracle Certified Professional
Java SE 8 Programmer II Study Guide : Exam 1Z0-809
I also just checked that on the Amazon Kindle itself the Question Choices are Alphabetical and the answers are Alphabetical.
When I use the Kindle Cloud Reader on the web at read.amazon.com the Questions are in Numerical Choice and the Answers are Alphabetical so maybe its a "web dev" bug with Amazon at read.amazon.com