Much of which of the following countries lies below sea level?

select one of the options below as your

a. switzerland
b. czech republic
c. netherlands
d. luxemburg

Netherland is best answer because The geography of the Netherlands is unusual in that much of its land has been reclaimed from the sea and is below sea level second  factor that has influenced its physical appearance is that the country is among the most densely populated on Earth. It isranked 30th overall on that scale, but is behind only three countries having a population over 16 million.on other hand the Netherlands is highly urbanized.

Answergranulation;