Tim and Jenna are surveying their classmates about their summer reading. Their questions are given below: Tim: Which author was promoted by the book reading club this month? Jenna: How many books that you read during the summer break would you recommend to your friends? Who wrote a statistical question and why?
A: Tim, because there can be only one answer to the question
B: Jenna, because there can be many answers to the question
C: Tim, because there will be variability in the responses collected
D: Jenna, because every student will give the same answer