单选题
Execution by lethal injection, although horrifying, is certainly more civilized than the ______ penalty of death by torture or dismemberment.
【正确答案】
B
【答案解析】(viler更卑鄙)。句意为：尽管注射处决让人感到恐怖，但是它无疑比更卑鄙的刑罚，如毒打致死或肢解致死文明得多。A．pervasive渗透性的；C．humane人道的；D．prolific多产的。