Direction: In these questions, sentences are given with blanks to be filled in with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
His persuasive tone was able to tackle the boy whom other teachers had found __________

Options

A. 1) peripatetic
B. 2) obdurate
C. 3) tenacious
D. 4) squeamish

Answer

B

Explanation

obdurate (Adj:) : refusing to change your mind or your actions in any way, stubborn
peripatetic (Adj:) : going from place to place (in order to work)
tenacious (Adj) : that does not stop holding something or give up something easily, determined
persuasive (Adj) : able to make somebody believe something or do something
Here, obdurate is the right usage.