Read each sentence given below and find out whether there is an error in it. The error if any will be in one part of the sentence which are marked as A,B,C and D. If there is no error, the answer will be ( E ) i.e. No error. (Ignore the errors of punctuation, if any)
Recent incidents of tigers straying have brought to focus (a)/ the lack of proper regulatory mechanism and powers with the forest department (b)/ to take action against the resorts (c)/ mushroom in forest fringes (d)/ No error (e).

Answer

d

Explanation

Mushrooming' should be used.