Elena Coolidge Has Announced Her Bid for President

Elena Coolidge has announced her bid for president. Prior to the announcement, in an attempt to secure her nomination for president, she had appeared on several news channels, visited schools and universities across the country, and built relationships with eminent political personalities. She also started an education fund to raise money for underprivileged children. Elena Coolidge's efforts to unofficially secure a nomination can be termed as _____.

A) a closed primary
B) the invisible primary
C) the "top two" primary
D) a blanket primary
E) an open primary