This sentence is about two countries that have common features, and it also talks about a point after which those common features stop existing. The first blank needs a verb that naturally takes "similarities" as its object, and the second blank needs a verb that fits the idea of stopping.
The correct pair is "Share ..... end", since China and India share similarities in demography and resources, and that is exactly where those similarities end.
Let's summarize:
So the correct option is (d), "Share ..... end".
If the price of a commodity increases by 25%, by what percentage should the consumption be reduced to keep the expenditure the same?