题目

One morning I wasted nearly an hour watching a tiny ant carry a huge feather（羽毛）. Several times, it  41  several obstacles(障碍) in its path. And after a momentary pause it would make the necessary detour (绕道).  42  one point, the ant had to cross a crack(裂缝) about 10mm wide. After some  43  thoughts, the ant laid the feather over the crack, walked   44   it and picked the feather up on the other side, then continued on its way. I was  45  by the cleverness of this ant. It was only a small insect, lacking in  46  yet equipped with a brain to reason, e在下列结论中，正确的是（　　）A．“pVq”为真是“p∧q”为真的充分不必要条件B．“pVq”为假是“p∧q”为真的充分不必要条件C．“p∨q”为真是“?p”为假的必要不充分条件D．“?p”为真是“p∧q”为假的必要不充分条件