3岁女孩，平时入幼儿园，近几日发现夜间哭吵，经常抓挠肛周，家长发现其肛周有白色线样成虫。最可能诊断是

A．肠蛔虫症
B．绦虫病
C．钩虫病
D．蛲虫病
E．会阴瘙痒症

_____ years ago, very large animals called dinosaurs _____ in some areas of the world. [ ]

A. Many million; have been living

B. Million; had lived

C. Several millions of; are alive 

D. Millions of; lived