Question

you might think that the major wireless carriers would be facing intense pressure to account for their lax handling of customers’ data. in the sentence above, lax has the same or almost the same meaning as: expensive careless routine weekly

Explanation:

The word "lax" means not sufficiently strict, severe, or careful. Among the options, "careless" has a similar meaning in the context of handling customers' data, suggesting a lack of proper attention or strictness.

Answer:

B. careless