Nuclear fusion is the force that powers the sun, the stars, and hydrogen bombs, merging the nuclei of atoms and not splitting them apart, as in nuclear reactors.
B merging the nuclei of atoms instead of splitting them apart, like nuclear reactors
C merging the nucleri of atoms rather than splitting them apart, as nuclear reators do
c正确，明白意思，可是b为什么比较不明确哪？请问，如果b选项中，like nuclear reactors放在句首，这样是不是就对了哪？
action vs action...need to use as...do...
like--entity A vs entity B...not precise...
powers....merging....those are the actions mentioned...
dare guess...
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