Right to a Fair Trial

Which fundamental right of Lola is violated when the government withholds key evidence that could potentially exonerate her, and consistently denies her access to this evidence during her trial?

Lola is detained and accused of various charges. As her trial begins, it becomes evident that the government is determined to suppress her. Key evidence that could potentially exonerate Lola is withheld by the prosecution, and her repeated requests for access to this evidence are consistently denied. 

Choices: 

A) The right to a fair trial

B) The right to a speedy trial

С) The principle of fairness and equity

D) Prohibition of torture