Evaluate the following limit:
lim (2x^4 - 3x^2)/(3x^4 + 4)
How should the given limit be evaluated? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
(Do not simplify. Type an integer or a fraction.)
A. Use l'Hôpital's Rule exactly once to rewrite the limit as lim ( ).
B. Use l'Hôpital's Rule more than once, rewrite the limit in its final form as lim (48/72).
C. Multiply the expression by a unit fraction to obtain lim ( ).
D. Use direct substitution.