Job applicants are interviewed by either friendly or unfriendly employers who sit either very close to or at a normal distance from the applicants. research suggests that applicants will like best the friendly employers who sit at a distance and will like least the unfriendly employers who sit at a distance.

very close, very close

Explanation:

Job applicants are interviewed by either friendly or unfriendly employers who sit either very close to or at a normal distance from the applicants. Research suggests that applicants will like best the friendly employers who sit at a very close distance and will like least the unfriendly employers who sit at a very close distance.

no because dogs are cats the product you bought is meant for cats xd

i say that the answer is 'd'