Which part of the sentence is the subject? The sale of T-shirts, hats, and other NBA products is also good for business.

D
D
C

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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you need to include the text. we have no idea what you are referring to