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which action might to increase self-confidence?

a noting shortcomings

b evaluating the skills of peers and superiors

c taking a stance of “protective pessimism”

d being involved in meaningful activities

I would choose D.

Explanation:

I think involving yourself in good deeds and meaningful activities would boost your self-confidence by a lot.

its "give abdominal thrusts" that way you can dislodge the object in the persons throat.

the answer would be  

c. neighborhood watch

hope this .