'To' shall be followed by the base form of the verb (infinitive). So, 'run' comes first in the sequence.
The adverb 'very' (implies 'in a huge degree') correctly modifies 'fast' (adjective). So, 'fast' is placed correctly in the sequence.
'Make it to (a certain place)' implies 'to arrive there on time'. Among the highlighted words, a place where someone may reach is 'platform'. So, it comes third in the sequence.
The correct sentence is: He had to run (C) very fast (B) to make it to the platform (A) on time.
So, the sequence: CBA
Hence, option e) is correct.
Note: Infinitive: The infinitive is the base form of a verb, often preceded by to.
Consider the sentences given below:
· To err is human. [like a noun, the infinitive 'to err' is the subject of the verb 'is']
· My father likes to cook. [like a noun, the infinitive 'to cook' is the object of the verb 'likes']
· To vote in elections is our right. [the infinitive 'to vote', like a noun, is the subject of the verb 'is', but, like a verb, it also takes an object (elections)]
· Radha went to the lake to fetch water. [the infinitive 'to fetch', like a noun, is the object of the verb 'went', but, like a verb, it also takes an object (water)]
· The above sentences illustrate various ways in which infinitives are used. It can both act as a noun and a verb