CAN SOMEONE PLEASE REVISE THIS OR SHORTEN IT OR GRAMMATICALLY CORRECT THIS SENTENCE!!! I have no idea if I need a ; or , or something please any English Expert willing to help

In one of the experiments conducted was the abandonment of babies; as they sat in their infant seats, their mother’s sitting by them, until ten minutes later, a signal appears, indicating their cue to leave.

(i can't select because there is no options but, i will answer) using evidence effectively. most of the assignments you will do in university will ask you to make an argument, to take a stance, or to prove a hypothesis. the best way to do this is to research the topic, develop a thesis statement, hypothesis, or claim and then use evidence to support this claim.

- "there are several movements that doris lessing was associated with. first of all, communism. she pursued her communist beliefs and included them in her writing, and was also a member of several communist book clubs. she is also strongly associated with feminism, her fight for equality and women's rights.

doris lessing is the kind of writer who has followers, not just readers. they have been engaged to her chiefly because of her involvement in major problems, such as politics and woman-ism."

i believe the answer is inference

the answer is c. it calls attention to the urgency of the message