Identify the option that would correctly fill in the blanks of the given paragraph.

(a) ________March, the Poles proposed sending old MiG-29 jets (b) ________Ukraine - a plan that caused much fuss but was then dropped. It was down to Beijing's intervention - part (c) ________ a secret China-US axis that is setting parameters (d) ________the Ukraine war and frying to ensure that Russia's military would ignore any order (e) ________Vladimir Putin to use nukes

The correct option is indeed (d) In; to; of; for; from. 

Here’s the completed paragraph:

“In March, the Poles proposed sending old MiG-29 jets in Ukraine - a plan that caused much fuss but was then dropped. It was down to Beijing’s intervention - part of a secret China-US axis that is setting parameters for the Ukraine war and trying to ensure that Russia’s military would ignore any order from Vladimir Putin to use nukes.

Other options don't make grammatical sense to be filled in the blanks.