Answer:
A:persuading
Step-by-step explanation:
Statistical evidence is numbers from a source to prove a point.
A. you need statistical evidence to persuade or convince someone. Without stats, you have no numbers to base your reasons on.
B. This is still important for statistical evidence, but it is not completely necessary.
C. You definitely don't need stats for entertaining. Entertaining is like a tv show or a book.
D. When you narrate, you don't need stats. You're just telling a story.
So, the answer is A. Persuading requires statistical evidence the most.