Drug A has an ED50 of 10 mg & a LD50 of 100 mg. Drug B has an ED50 of 20 mg and a LD50 of 100 mg. Based on this information, which statement is TRUE about A & B?
A. A is more potent than B
B. A is more safer than B
C. B is more potent than A
D. B is more safer than A