(A), (B), (C)의 각 네모 안에서 어법에 맞는 표현으로 가장 적절한 것은?
The old maxim “I’ll sleep when I’m dead” is unfortunate. (A) Adopt / Adopting this mind-set, and you will be dead sooner and the quality of that life will be worse. The elastic band of sleep deprivation can stretch only so far before it snaps. Sadly, human beings are in fact the only species that will deliberately deprive (B) them / themselves of sleep without legitimate gain. Every component of wellness, and countless seams of societal fabric, are being eroded by our costly state of sleep neglect: human and financial alike. So much so that the World Health Organization (WHO) has now declared a sleep loss epidemic throughout industrialized nations. It is no coincidence that countries (C) where / which sleep time has declined most dramatically over the past century, such as the US, the UK, Japan, and South Korea, and several in Western Europe, are also those suffering the greatest increase in rates of physical diseases and mental disorders.