meaning of term low inflation is when prices of commodities does not change very highly.so low inflation is not a sign of healthy economy.the demand of goods becomes higher due to some faulty measures taken by government
there are two kind of inflation
1. positive inflation : when supply of goods is less than prices of those goods rise.
2. negative inflation : when supply of any good is very high so it,s price will fall.
so option c is true : struggling economy because it results from a steady rise in demand.