Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of that part is the answer. If there is no error, the answer is 'E'. (Ignore the errors of punctuation, if any).
No country can long endure if its foundations were not laid deep in the material prosperity.
No country can long endure
if its foundations
were not laid deep
in the material prosperity.
No error
Correct answer is C
are not laid deep