题目选项分析

Any health care plan that does not cover comprehensive annual checkups is risking the lives of its members, who are unlikely to obtain care that is not covered by their health care plans, and who may have conditions that, if not detected early, are more likely to become fatal.

The argument above logically depends on which of the following assumptions?

【选项】 Many potentially lethal conditions are likely to be detected during an annual checkup.