Which sentence displays a confident writing style?
a. I hope that my explanations make sense to you.
b. To take advantage of this special offer, call our toll-free number.
c. If you have any further problems, please don't hesitate to call me.
d. Why not order the new exercise equipment?
e. If you agree with my proposal, please let me know.
Answer: To take advantage of this special offer, call our toll-free number.