lacerate（）

Banked Cloze
Travel is a perfect way to test one's mettle，and the rewards are great.Generally，when people find themselves on the cusp of adventure，the one thing they are（）to do is to take the leap.But what if the cusp comes in the form of a perilous precipice？As Sloane Crosley discovers，sometimes the（）choice is the better choice.
Sloane came to Australia on a（）tour and almost immediately met Jill，a fearless Australian local.On Sloane's day off，Jill showed Sloane around Sydney and arrived at Nielsen Park at night.After changing into their wetsuits，they started hiking up into the woods and finally reached a cliff over the Shark Bay.
As a result of lacking thrills in everyday life，Sloane desired to（）off the cliff to prove she was as（）as a teenager.However，several（）contributed to her hesitation.She had no experiencing in cliff jumping or related activities.The water was（）and the terrain under the sea was unseeable.Her seasoned（）Jill had second thoughts about this idea.Eventually，it was Jill that decided to stop this（）attempt.While they changed out of the wetsuits in a public restroom，they（）until there were tears rolling down their faces.Barring that，Sloane came to the realization that it was okay not to jump.
A.safer     
B.hazardous
C.encouraged
D.cried
E.book
F.laughed
G.variables
H.adventurous
I.spring
J.opaque
K.transparent
L.companion
M.partners
N.gargoyle
O.violent