Frank would like to be able to select a full paragraph. Which of the following techniques will work? a. Utilize the array index positions to extract the full paragraph by specifying the start and end positions. b. Use a for loop to iterate through each element of the array and concatenate them into a single paragraph. c. Join the array elements using a space as the delimiter to create a single paragraph. d. Create a function that takes the array as an argument and returns the entire paragraph.