Which One of the Following Statements About Atomic Structure and Quantum

Which one of the following statements about atomic structure and quantum numbers is incorrect?

A) In a given atom, the maximum number of electrons having principal quantum number n = 3, is 18.
B) The number of orbitals in a given f subshell is 7.
C) For n = 4, the largest possible value of l is 3.
D) For n = 4, the largest possible value of m_l is 2.
E) The following set of quantum numbers for a single orbital is not allowed: n = 3, l = 1, ml = -2.