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Verbal·Expression of Ideas·Transitions
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Massimo Coli and colleagues used ground-penetrating radar (GPR) to map moisture infiltration within the walls of Saint John Baptistery in Florence, Italy. The contrast between wet and dry materials produces vivid radar echoes that delineate leak pathways, yet the presence of water-saturated zones also hampers the efficacy of the technique.        even as GPR makes such areas conspicuous, water within masonry absorbs and scatters radar energy, often obscuring defects in layers beyond the saturated region.
Which choice completes the text with the most logical transition?
A
Likewise,
B
Nevertheless,
C
Thus,
D
Indeed,