Options are:
A. Online shopping offers consumers both risks and convenience.
B. Consumers are limited by shipping charges when shopping online.
C. Online shopping is less expensive than shopping in traditional stores.
D. Items found while shopping online are of better quality than store products.
The correct answer is:
A. Online shopping offers consumers both risks and convenience.
Choice A tells us about the text as an entire, summarizing the central ideas that online shopping is risky but convenient too.