In vitro fertilization involves combining the sperm and egg in a laboratory dish

Eric, age 20, works out at the gym six days each week. Typical of emerging adults, when asked his motivation for his regular workouts, he replies

"to look good." "to meet girls." "to stay fit." "to be healthy."

Bonnie is 3 months old and her parents attend only inconsistently to her needs. Sometimes they are very attentive feeding her promptly when she cries and comforting her when she seems upset

Other times, Bonnie cries for a long time before her parents attend to her. Based on Erikson's theory, it is likely that Bonnie will develop: a) feelings of isolation. b) a sense of inferiority. c) a sense of despair. d) a general sense of mistrust.