题目

With big handbags becoming a key fashion accessory（配件）for working women, health experts are warning they can also become a key health concern. Bags for women have become bigger and heavier as designers combine briefcases with handbags and straps have become longer, resulting in many users complaining of neck, shoulder and back problems. “I see so many women with neck pains and headaches and what I usually do is look for their purse and pick it up,” said Jane Sadler, a family practice physician at Baylor Medical Center in Garland, Texas. “We take it over to the scale and weigh i不等式2x3-7x2-4x＜0的解为（　　） A、x＜-12或0＜x＜4B、-12＜x＜0或x＞4C、-12＜x＜4D、无解