英语语法C35,He got the first and won the prize as________.A,expe

英语语法C3
5,He got the first and won the prize as________.
A,expected B,expecting C,to be expected D expect
怎么解释其与其他几项的区别呢?
6,I've finally finished my paper and it_______ me a month.
A,takes B,took C,was taken D,had taken
本题and的前部分用的是现在完成时态,其后面应该连接的是并列结构啊?
为何其时态又不和它一致呢?每次碰到这样的题目疑惑总是疑惑重重.