The answer would be glucose which is sugar.
so answer B)Sugar
Death by hypoxia can be caused by airway obstruction(strangulation) or poison(cyanide, CO).
In the case, there is a toxicology report saying the victim is poisoned by cyanide. The organ damaged also diffuse and not concentrated. Cyanide works by inhibiting an enzyme in the mitochondria that use oxygen. Therefore, the cells can't oxygen for cellular respiration, cause the tissue die of hypoxia. The oxygen is there but it can't be used. The laboratory report that found high oxygen level in the blood also supports the cyanide poisoning.
It's most likely C. Aauguccqgg
A branch point on a phylogenetic tree is a separation point, from where a lineage is evolved into a new different lineage. The basal taxon is the unbranched lineages which evolved from the root.
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