Correct option - b
The online shopper can pick and drop the things in the shopping cart.
Explanation:
After making an account on the website, an online shopper can select the products that he/she wishes to purchase and add them to the shopping cart. A shopping cart basically keeps an online record of what a customer wants to buy. It displays the products shortlisted by the customer so that the customer can take the final decision of purchasing or not purchasing the products.