Lien: refers to the debtor's failure to perform due debts, the creditor can lien the debtor's movable property that has been legally occupied, and has the right to receive priority compensation for the movable property. Based on the above definitions, is the following statement about whether the actor has a lien correct? ['A entrusts B to keep an item. During the storage period, B finds that the item has a quality problem, so he hands the item to C for repair. After repairing, A refuses to pay for the repair cost, and C has no right to keep the item.', 'A borrows 10,000 yuan from B. The repayment period has expired. A has not repaid. B has a lien on the machinery and equipment in the factory A.', 'Company A and B have signed a transportation contract, which stipulates cash on delivery. After B has delivered the goods to the destination, Company A has not paid the freight, and B can leave the shipment.', 'Li entrusted Sun to purchase a batch of products for a fee. After Sun bought the products, Li did not pay the agreed remuneration, and Sun did not have the right to retain the batch of products.']