The new drug proved to be highly effective, it has no side effects question 10 options: a) properly constructed sentence b) comma splice c) lacks parallel parts d) dangler

b)Comma splice

Explanation: Comma splice is the situation when two separate articles are joined together in an incorrect manner with help of a comma to convert the clauses into a particular sentences .So. according to that the given sentence in the question is a complete sentence but has comma splice. therefore, the sentences are joined but in the incorrect order. So the correct option is option(b).

for me i have felt invisible when i was clearly struggling,or,i made a great achievement ,and,nobody took to notice me either because they just didn't see it,or,people just turned their back on me.i can see a person being invisible by choice,or,without choice like i did.the people who are invisible by choice don't try to talk to people,don't try to make friends,and,keep to themselves.i haven't been one of those people so i couldn't give you a reason.

hope this and can i get bainliest my dude : d