Choose the word or phrase (A, B, C or D) that is closest in meaning to the underlined word or phrase in the sentence: The geyser, one of the most unusual phenomena in nature, is beautiful to behold.

As I ____ Mr. Chowdhury's behaviour towards me, I will not tolerate it anymore.

The synonym of the touchstone is---

'Retrieval' is the process of getting something -

The synonym for the word 'SOCIAL' is-