According to the survey, who have cats as pets are smarter than those have dogs.
我觉得这个翻译较准;
The survey shows that people who raisecats are more intelligent than those who raise dogs.
According to the survey, who have cats as pets are smarter than those have dogs.
百度翻译一下就行!
According to a survey,those who have cats as pets are smarter than those who have dogs.
the, people. of. feeding. cats. are. smarter. than. those. of. feeding. dogs
The survey shows that people who raise cats are more intelligent than those who raise dogs.