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Quiz: Your First CKB Transfer
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Question 1 of 8
What does the `completeFeeBy(signer)` method do when building a CKB transaction with the CCC SDK?
A
It only calculates the transaction fee
B
It selects input cells, adds a change output, and calculates the fee automatically
C
It signs the transaction and submits it to the network
D
It validates the transaction against the lock scripts
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