Four High School Teachers Have Just Learned That Ralph, One

Four high school teachers have just learned that Ralph, one of their students, has scored extremely well on an intelligence test.Which teacher appears to believe in Spearman's concept of g in intelligence?

A) Mr.Hudson says, "No wonder Ralph performs consistently well in all of his classes!"
B) Ms.Crawford says, "Ralph is an exceptional writer, but from what I've observed, his math skills are only average."
C) Ms.Wyman says, "I agree that Ralph writes very well, but his spelling is atrocious."
D) Mr.Grant says, "Ralph has trouble remembering basic math facts, but he's very good when it comes to solving challenging math problems."