Step 1: Historical reference.
South Africa’s first democratic elections were conducted in 1994, after decades of apartheid. Nelson Mandela became the first black President.
Step 2: Analyzing the options.
(A) 1990 – Important year (Mandela released from prison) but not elections.
(B) 1950 – Irrelevant to Mandela’s presidency.
(C) 1994 – Correct, democratic elections held.
(D) 1984 – Incorrect, apartheid still existed.
Step 3: Conclusion.
The correct answer is (C) 1994.