Question 22 Not yet answered As with Part B on the assignments, suppose you are given an input file. Your goal is to read the input one line at a time, and output each line except if the current line is the same as some previous one. That is, if there are duplicate elements (not necessarily consecutive), you only print out the first one. Marked out of 1.00 Choose the best (most time- and space-efficient) data structure to solve this problem. P Flag question Select one: O a. No data storage at all is necessary (other than to store loop iteration variables) O b. A single variable (in addition to loop iteration variables) suffices for data storage O c. A stack (or, deque) is the best choice for data storage O d. A deque (but not a stack or a queue) is the best choice for data storage (this is the deque as we did in class, that implements the List interface) O e. A sorted set is the best choice for data storage