GRE Logical Reading: ETS-GRE逻辑单题ETS - 1LLY097W16SYW06AJ$

The hypothesis of the researchers depends on which of the following assumptions? A. Clinical depression is a genetically transmitted malady. B. Access to accurate diagnostic procedures for depression is equal for residents of developing and developed countries. C. Most activities characterized as "leisure time" in developed countries are inherently boring. D. Certain medications that effectively treat clinical depression are not readily available in developing countries. E. Few residents of developing countries dedicate any of their time to leisure.