The passage states that several new shopping malls were opened in the city, and the total number of visitors in these malls is impressive. However, the total revenue generated through sales in the shops in these malls is generally low.
This suggests that despite the high number of visitors, individual spending by each visitor is not enough to generate significant sales revenue for the shops.
Therefore, the logical inference is that more people are visiting the malls, but they are not spending enough to generate substantial overall sales revenue for the shops.
Correct Answer: B