[填空题]Strong emotional bonds between mothers and infants increase children’s willingness to explore the world—an effect that has been observed 67 the animal kingdom, in people, monkeys and even spiders. The more secure we are in our 68 to Mom, the more likely we are to try new things and take risks. Now researchers are discovering that this effect continues into adulthood. A 69 reminder of Mom’s touch or the sound of her voice on the phone is 70 to change people’s minds and moods, 71 their decision making in measurable ways. In a study 72 online in April in Psychological Science, undergraduate business students had to choose between safe bets and risky gambles—a bond with a guaranteed 4 percent yearly 73 or a riskier stock option, for example. In half the cases, the experimenters patted the students 74 on the back of the shoulder for about one second 75 providing verba l（口头的） instructions about the study. Both male and female students who were touched by a f
A. A．rather
B．far
C．further
D．pretty

[填空题]Strong emotional bonds between mothers and infants increase children’s willingness to explore the world—an effect that has been observed 67 the animal kingdom, in people, monkeys and even spiders. The more secure we are in our 68 to Mom, the more likely we are to try new things and take risks. Now researchers are discovering that this effect continues into adulthood. A 69 reminder of Mom’s touch or the sound of her voice on the phone is 70 to change people’s minds and moods, 71 their decision making in measurable ways. In a study 72 online in April in Psychological Science, undergraduate business students had to choose between safe bets and risky gambles—a bond with a guaranteed 4 percent yearly 73 or a riskier stock option, for example. In half the cases, the experimenters patted the students 74 on the back of the shoulder for about one second 75 providing verba l（口头的） instructions about the study. Both male and female students who were touched by a f
A. A．by
B．up
C．above
D．across