Select the most appropriate option to fill in blank number 4.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. in.
Context: The phrase talks about the cause of a rise in applications — and is attributing it partially to a reason.
Analysis of the Given Options:
On – Doesn't collocate with 'part' in this context.
To – Incorrect construction with 'influenced.'
Up – Grammatically wrong here.
In – Correct collocation: “in part by…”
Correct Word: in
Reason: The standard phrase is “in part by…” when describing partial causes or contributions.
Hence, the chosen option is correct.