下列哪一项不是MRI的优势()

A．不使用任何射线，避免了辐射损伤

B．对骨骼，钙化及胃肠道系统的显示效果

C．可以多方位直接成像

D．对颅颈交界区病灶的显示能力

E．对软组织的显示能力

A toy store regularly sells all stock at a discount of 20 percent to 40 percent. If an additional 25 percent were deducted from the discount price during a special sale, what would be the lowest possible price of a toy costing $16 before any discount ？（）

A．$5.60

B．$7.20

C．$8.80

D．$9.60

E．$15.20