This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following drugs is hydrolyzed by a plasma esterase that is abnormally low in activity in about 1 in every 2500 humans ? 
Select and explain. 
A. Ethanol, B. Rifampicin, C. Cimetidine, D. Succinylcholine
D: Succinylcholine
Answer: D: Succinylcholine 
Explanation: None