SSC MTS 6 Aug 2019 Shift 2 Paper

Option 2 has an error.
Few-- is used for countable nouns. Here, the word Time is an uncountable noun.
The correct idiom is --'take up too much of my time'-- which means to occupy a lot of time in a wasteful manner.
The given sentence talks about taking a long time to explain the case.
Correct sentence: It would take up too much of my time to explain to you the whole case.