In the question below, a blank has been given. Following the sentence, five options have been given. Find out which of the following options will fit in the sentence.

Without his mother to ________________ him, the struggling student developed a horrible attitude towards school.

Correct option is C

The correct choice is option (c) ‘encourage ’ to form a correct sentence. The word "encourage" means to give support, confidence, or hope to someone. In the given sentence, the absence of his mother's encouragement resulted in the student developing a negative attitude towards school.
undermine– to make someone less confident to achieve something
intimidate– to threaten someone to persuade a task
encourage – to make someone likely to do something
depress–to make someone feel unhappy and hopeless
weaken–to cause someone to become less powerful or effective