With the Internet use ______ in the world, companies like Yahoo and Google are hunting harder for deals.

A．exploded

B．having exploded

C．being exploded

D．exploding

结节性甲状腺肿的声像图表现（）①左右甲状腺不对称增大，有多发结节，无包膜②左右甲状腺不对称增大，有单发结节，有包膜③甲状腺内结节边界模糊，不规整，结节周围无正常甲状腺组织④甲状腺内结节边界清晰，形态规整，结节与周围正常甲状腺组织界限清楚⑤CDFI呈多彩状，可见血管绕行征、彩球征⑥CDFI呈少血流改变

A.①③⑤

B.②④⑥

C.①④⑥

D.②③⑤

E.①③⑥