Mashaal Masha
Compared to that of alumina glass, ________ silica glass atoms are so far apart that they are unable to re-form bonds after being separated.

Which choice completes the text so that it conforms to the conventions of Standard English?
Difficulty: Hard
A: 

silica glass is at a significant disadvantage due to its more dispersed atomic arrangement:

B: 

silica glass has a more dispersed atomic arrangement, resulting in a significant disadvantage:

C: 

a significant disadvantage of silica glass is that its atomic arrangement is more dispersed:

D: 

silica glass's atomic arrangement is more dispersed, resulting in a significant disadvantage:

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