Step 1: Understanding the meaning of 'Ancestors'.
The word “ancestors” refers to people from whom one is descended — the earlier generations of a family. For example, grandparents or great-grandparents.
Step 2: Analyzing the options.
- (a) Extinct tribes: Refers to a whole group that no longer exists — incorrect.
- (b) Relatives: Means family members living in the present, not past generations — incorrect.
- (c) Forefathers: Means ancestors or those who lived before us — correct.
- (d) Old people: Refers to elderly living individuals — incorrect.
Step 3: Constructing the meaning.
Thus, “ancestors” and “forefathers” both refer to earlier generations of one’s family.
Step 4: Conclusion.
Therefore, the synonym of “ancestors” is “forefathers.”