Pick the expression that matches this description: A monomial of the 2^{\text{nd}}2 nd 2, start superscript, start text, n, d, end text, end superscript degree with a leading coefficient of 333 Choose 1 Choose 1 (Choice A) A 3n^2-13n 2 −13, n, squared, minus, 1 (Choice B) B 3n-n^23n−n 2 3, n, minus, n, squared (Choice C) C 3n^23n 2 3, n, squared (Choice D) D 2n^32n 3