Directions: For each of the following sentences four alternatives are given. You are required to choose the correct meaning of the idiom or phrase given underlined in the sentence. The involvement of teacher in the scheme of education proved to be a mare's nest .

Step-by-step solution

A mare's nest: An idea or a discovery that seems interesting and exciting but is found to be false or have no value. Ex. I fancy this will prove to be a mare’s nest! We have had these mysteries before. Ex. In a global socio-economic order dominated by the striving for private profit, together with the divergent aims of capitalist nation-states and imperialist great powers, the project has already become a mare’s nest of conflicting interests. Option A is hence the correct answer.