Glucose cannot be turned into energy in the body With diabetic retinopathy, the damaged blood vessels in the retina

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问题 Glucose cannot be turned into energy in the body
With diabetic retinopathy, the damaged blood vessels in the retina

选项 A、are stronger than what they used to be.
B、cannot be properly replaced.
C、are more likely to break than the new ones.
D、may return to normal again.

答案B

解析
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