 
<translate> A maara na ndị na-agbakọ ego na-arụ ọrụ logarithmic ma ghara ịrụ ọrụ dị ka isi iyi ọkụ. N'ihi ya, azịza ya bụ nkebi ahịrịokwu nke A. <eng> Calculators are known to perform logarithmic functions and do not act as a light source.
Thus, the answer is Sentence A. 