Answer:
b) Bush met with him publicly
Step-by-step explanation:
Once Mandela was released from prison, George H. W Bush spoke to him by telephone and invited him to visit the White House. Bush also commented his desire of helping towards the goal of making a totally racial free South Africa.
Later, Bush welcomed Mandela in the White House and called him a "symbol of courage"
Therefore, the correct answer would be a) Bush met with him publicly