The good refusal skills from the options you provided are:
B) Give an honest reason for your refusal
C) Make eye contact
While "A) Try to ignore someone who pressures you" can sometimes be a strategy to avoid confrontation, it's not always effective in communicating your refusal. "D) Make up an excuse" is generally not considered a good refusal skill, as it may lack authenticity and could lead to complications if the excuse is questioned.