小题1:Mrs. Anderson is a housewife with three children. She is a good mother and cares for her family. On school nights, she usually reads books to the children while on weekends she’d like them to be close to the nature, enjoying the lovely living creatures.

小题2:Mr. Scott is a well-known professor who teaches South-East Asian history in UBC. He is also an excellent photographer. In his spare time, he always goes outdoor to get some inspiration(灵感). These days he is busy preparing for a photography exhibition.

小题3:Mr. Smiley is an electronic engineer who is busy all week except Saturday. He has two sons and they are crazy about doing tricks with each other. However, they are full of imagination and they hope that they’ll be as famous as David Copperfield.

小题4:Mrs. Reid is a doctor. She is also a good mother whose son is only seven. She believes science and history are of great importance. As long as she is free, she will company her son to all kinds of activities or exhibitions.

小题5:The Morgans are an old couple who have been retired for over five years. Mr. Morgan is fond of fishing while Mrs. Morgan likes gardening. But their cats are naughty. They either eat their fish or play with the plants in the garden. So they want to train them to follow rules.

请根据以上五个家庭或个人的实际情况，为他们选择合适的活动安排。（5分）

A               B                 C               D               E

甲乙两公司签订了经济合同。在合同履行过程中，甲公司发现乙公司履行债务不符合约定时有权拒绝乙公司相应的履行要求。这是合同履行中的( )的体现。

A．先履行抗辩权

B．后履行抗辩权

C．优先抗辩权

D．同时抗辩权