Or, Who shall descend into the deep? (that is, to bring up Christ again from the dead.)
Or, Who shall descend into the deep? that is (in effect), to bring up Christ [again] from the dead. This is another case of impossibility suggested by Proverbs 30:4, and perhaps also Amos 9:2. These were probably proverbial expressions of impossibility, (cf. Psalms 139:7-10; Proverbs 24:7, etc.)