Science can’t explain the power of pets, but many studies have shown that the company of pets can he

34．According to Allen, why did the people do better with pets around when facing stressful tasks?
A. They are in higher spirits.          B. They are less nervous.  
C. They become more patient.         D. They have lower blood pressure.
35．The research mentioned in the last paragraph reports that________ .
A. people with dogs did more exercise      
B. people without dogs found the program unhelpful
C. dogs lost the same weight as people did
D. dogs liked exercise much more than people did
答案 C D B A