Which of the following types of occupation involues services that can be referre...

This question is asking which type of occupation involves services that can be referred to as auxiliary trade.

Auxiliary trade refers to activities that support and facilitate the main trade or business operations. It includes services such as transportation, warehousing, advertising, banking, insurance, and consulting.

Option A: Constructive occupation refers to jobs that involve construction and building activities, such as carpentry or plumbing. These occupations are not directly related to auxiliary trade services.

Option B: Manufacturing occupation involves the production of goods on a large scale. While manufacturing is an important part of the economy, it does not fall under the category of auxiliary trade services.

Option C: Industrial occupation refers to jobs in industries that produce goods or provide services on a large scale. These occupations are not directly related to auxiliary trade services.

Option D: Commercial occupation involves activities related to buying and selling goods or services. This includes activities such as retailing, wholesaling, and distribution. Commercial occupations often rely on auxiliary trade services to support their operations. Therefore, option D is the correct answer.

In summary, the correct answer is option D: Commercial occupation.