The Normal WBC Values in an Adult Are ________ $\times$ 10⁹/L
B) 5-21

The normal WBC values in an adult are ________.

A) 9-30 $\times$ 10⁹/L
B) 5-21 $\times$ 10⁹/L
C) 4.8-10.8 $\times$ 10⁹/L
D) 6.2-17 $\times$ 10⁹/L
E) 5-19.5 $\times$ 10⁹/L