Different races follow different modes of living.

ways
standards
customs
attitudes

The correct answer is: A. ways

A mode of living is a way of life, a particular way of living that is characteristic of a particular group of people. It includes the customs, habits, and beliefs of that group.

The other options are incorrect because they do not refer to a way of life.

  • Standards are a set of principles that are considered to be correct or desirable.
  • Customs are traditional ways of behaving that are common to a particular group of people.
  • Attitudes are feelings or opinions about something.