Help me analyze the answers ,pls
1. regular grooming and defleaing is necessary for short-haired cats,(the same as) long-haired cats,because careful hygiene has more to do with the condition of a cat’s skin than with the length of its hair.
A
B as well as
C as for
D as it is for
2.the release of AAA and publication of some books sparked renewed interest in the kennedy assassination,which ( ) any other event in american history.
A has been the subject of a higher ratio of proliferating conspiracy theories than.
B has been the subject of a more conspiracy theories than