Recently,Greece Underwent an Economic Crisis

Recently,Greece underwent an economic crisis.Although there are numerous factors that contributed to the crisis,one problem is Greece's tax system,which is very complicated.As a result,numerous Greeks simply choose not to pay their taxes.How would this situation affect Greece's economic growth?

A) Greece's economy would be harmed by a lack of an efficient tax system.
B) Greece's economy would not be affected by its tax system.
C) Greece's economy would be harmed by a lack of productive resources.
D) Greece's economy would be harmed by a lack of international trade.
E) Greece's economy would benefit from high levels of tax revenue.