7438. Different races follow different modes of living.

✅ The correct answer is option A.
Ways : a method, style, or manner of doing something; an optional or alternative form of action.

Standards : a level of quality or attainment.

Customs : the official department that administers and collects the duties levied by a government on imported goods.

Attitudes : a settled way of thinking or feeling about something.

Modes : a way or manner in which something occurs or is experienced, expressed, or done.

Synonym of Modes is Ways