Which of the Following Is True with Regard to Testing

Which of the following is true with regard to testing of general cognitive ability?

A) The EQ-i is a widely used test of general cognitive ability.
B) The testing of general cognitive ability is unaffected by variables such as poor socio-economic status.
C) The testing of general cognitive ability in academic contexts, through tests like SAT and GMAT is a valid measure of predicted success.
D) Assessment of general cognitive ability also reveals the higher levels of organizational commitment and citizenship behavior seen in individuals with high cognitive ability.
E) The results of testing general mental ability are not influenced by a deficit in learning opportunities.