做雅思剑桥真题,听力填空有一空不明白,不知道是否有什么语法现象,我是自学英语的,请高手支招,

做雅思剑桥真题,听力填空有一空不明白,不知道是否有什么语法现象,我是自学英语的,请高手支招,
原文:If you're into serious microwave cooking and baking ___and nowadays there are microwave cookery books which certainly tempt you with mouthwatering selection of dishes and cakes ____then it's probably worth investing in something that has more features ,and consequently a higher price tag
出题：.And i f you want to do serious cooking ,get a microwave with_____and whit costs____
A处：more features ,B处：more
为什么B处答案不是higher price 呢