Directions: In the following sentence, 4 words are given in bold. Two or more of these words are incorrectly placed and need to be interchanged. If there is no need for interchanging then ‘No Error’ can be selected.  

The role of public menacing (A) in fueling Covid19 cases was alluded (B) by health experts, well before the second wave peaked; they also cautioned more complacency (C) mutations could scuttle (D) the progress made by India.