Read the sentence below to find out if there is any 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 (5). (Ignore errors in punctuation if any).

We can not take any further risk at such (A)/crucial point because(B)/ market volatility is also increasing(C)/  with the increase in the number of cases. (D)/ No error(E)