题目

阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。 A Toronto man is offering a free round-the-world air to the right woman. But1 apply. You must be named Elizabeth Gallahgher and have a Candian2 . Jordan Axani, 28, said he and his then girlfriend, Elizabeth Gallagher, booked heavily discounted round-the-world air tickets in May, but their3ended and he did not want her ticket to4 . The ticket had a strict no-transfer（不可转让） 5 , but since passport information was not required when 6 , any Canadian Elizabeth G 下列哪种现象不是生物对环境的适应？ [　　] A． 沙漠鼠夜晚活动 B． 仙人掌的叶变成刺 C． 秋天大雁由北方飞向南方越冬 D． 蚯蚓在土壤中活动，可使土壤疏松