Young deer must leave the safety of their group to search for food everyday; the risk is to be eaten by any of a multitude of predators
(A) everyday; the risk is to be eaten -- ideas are not closely linked clause 1 and 2 are not linked meaningfully.
(B) everyday at the risk of being eaten -- transition at the risk of being eaten is fine.
(C) everyday risking them to be eaten -- risking is ing modifier it must be comma separated else without comma it is modifying everyday| Them is plural with no antecedent.
(D) everyday, they are risking being eaten -- run on sentence.
(E) everyday; likewise, they risk being eaten -- Strong contender : likewise is a indicator of similarity between two clauses, but meaning indicates cause and effect here, thus it is not right transition.
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