I've expected too much of Peter, but I am really ________ by what he has done. Now I begin to  wonder if I can still trust him. [ ]

A. let down

B. put up

C. called in

D. given out

有人为了接触神秘而受宗教吸引，也有人为了逃避神秘而接触宗教，正如有人为了逃避神秘而投身宗教，同样有人为了逃避神秘而投身科学。 这段话是说：( )

A．宗教是神秘的

B．投身宗教是为了摆脱神秘

C．投身宗教是为了接触神秘

D．要摆脱神秘就应摆脱宗教