Question1 0/1 pts Consider the following struct definition: struct bauble int "something int nothing ..and suppose we have some variable, a. that has been declared as a pointer to a bauble struct bauble a After a has been properly initialized, which of the following lines should we use to initialize the something member of this struct to NULL? Select all that apply. asomething-NULL; a->something NULL ("alsomething-NULL: 2 ('a)>something NULL: at-something-NULL; a->something) NULL