Alfred lost more than 180 pounds since having an operation truncating his stomach three years ago.
(A) lost more than 180 pounds since having
(B) lost more than 180 pounds since having had
(C) has lost more than 180 pounds since
(D) has lost more than 180 pounds after
(E) has lost more than 180 pounds subsequently to
(A) lost more than 180 pounds since having
(B) lost more than 180 pounds since having had
(C) has lost more than 180 pounds since
(D) has lost more than 180 pounds after
(E) has lost more than 180 pounds subsequently to
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