CUSTOMERS(customer#, lastName, firstName, address, city, state, zip, referred) ORDERS( order#, customer#, orderDate, shipDate, ShipStreet, ShipCity, ShipZip) BOOKS (isbn, title, pubDate, pubId, cost, retail, category) ORDERITEMS(order#, item#, isbn, quantity) Which of the following SQL statements will display the names of all customers who have purchased a copy of PLAGIARISM TOOLS (book title)?

a.SELECT lastName, firstName FROM orders o, customers c, books b, orderitems oi WHERE c.customer#=o.customer# AND o.order#=oi.order# AND oi.isbn=b.isbn AND title LIKE %PLAG%;

b.SELECT lastName, firstName FROM customers c, books b, orderitems oi WHERE title LIKE %PLAG%;

c.none of the options

d.SELECT lastName, firstName FROM customers NATURAL JOIN books WHERE title LIKE %PLAG%;