Please help me answer the following questions, I have 45 minutes to complete

Question Completion Status: QUESTION 1 Which of the following statements about a do...while repetition statement is false? O a. The body of a do.. while loop may never be executed O a The body of a do. while loop may never be executed. 0 b. The body of a do while loop will be executed at least once. O C. The loop control variable can be counter-controlled or sentinel. 0 d. The loop-control variable is tested last and when true the body of a do while is executed. QUESTION 2 Which operator can be used to store a concatenated string? O b.* O c.++ QUESTION 3 There is a program called Dental. In this program there is a static variable called dentalCost that is a field or class variable and a method or local variable also called dentalcost in main0. How do you assign what is in the local to the field? O a dentalCost - dentalCost: Ob dental.dentalCost - dentalCost: O c dentalCost - Dental.dentalCost: O d. Dental.dentalcost-dentalCost