Sentence Correction

Pls, explain the use of AS and LIKE in general and apply your understand to the question 122 and 104, OG 11. I see there is a contradiction between these two.

Pls, DO NOT discuss other matters in these 2 question, pls,discuss the matter of LIKE and AS.

q104
Nuclear fusion is the force that powers the Sun, the stars, and hydrogen bombs, //merging the nuclei of atoms and not splitting them apart, as in nuclear reactors//

a,
b,merging the nuclei of atoms instead of splitting them apart, like nuclear reactors
c,merging the nuclei of atoms rather than splitting them apart, as nuclear reactors do
d, and merges the nuclei of atoms but does not split them apart, as is done in nuclear reactors
e,and merges the nuclei of atoms, unlike atomic reactors that split them apart.

Q 122
More than 30 years ago Dr.Barbara McClintock, the Nobel Prize winner, reported that genes can "jump", //as pearls moving mysteriously from one necklace to another//

a,
b, like pearls moving mysteriously from one necklace to another
c,as pearls do that move mysteriously from one necklace to others
d,like pearls do that move mysteriously from one necklace to others
e, as do pearl that move mysteriously from one necklace to some other one