Which sentence is written correctly?
a. francis didn't touch none of the poison ivy.
b. we didn't have no trouble falling asleep in our tents.
c. there isn't anything in that knapsack.
d. i can't never find the stream until i hear the water.

b. they require a huge investment of time, dedication ,training, and patience almost from the day they are born.

explanation:

the sentence gives a clear evidence of how carefully the sar dogs are selected and also specify from what time this exercise begins."almost from the day they are are born." this sentence shows as that this exercise begins early.

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it is b

explanation:

you need infomation to write a essay