Explanation:

- Option 1: India

- India was one of the original members of BRICS.

- Joined the grouping in its early stage when it was just "BRIC."

- Option 2: China

- China is one of the founding members of BRICS.

- Part of the initial "BRIC" group before expansion.

- Option 3: Russia

- Russia is a founding member of BRICS.

- Included in the "BRIC" acronym from the start.

- Option 4: Brazil

- Brazil is also a founding member.

- Participated in the original "BRIC" setup.

- Option 5: South Africa

- South Africa was the last country to join the group, turning "BRIC" into "BRICS" in 2010.