Which of the following is a transitional expression used in the paragraph to indicate comparison or contrast?
(1) Because hikers, campers, and others who love the outdoors may encounter snakes, they need to know the main differences between venomous snakes and non-venomous snakes. (2) Venomous snakes and non-venomous snakes differ in several ways. (3) Venomous snakes such as copperheads and rattlesnakes usually have triangle-shaped heads instead of the elongated oval-shaped heads of non-venomous snakes. (5) The eyes of venomous snakes usually have elliptical-shaped pupils instead of the rounded pupils that non-venomous snakes have. (6) Venomous snakes also have fangs, which non-venomous snakes do not have. (7) A snakebite made by a venomous snake will consist of two close-set puncture marks. (8) In contrast, a non-venomous snake’s bite mark will look ragged. (9) If the snake is swimming in the water, a venomous snake such as a water moccasin will swim with its entire body visible on the water’s surface. (10) However, a non-venomous snake, such as a harmless water snake, will swim with only its head above water.
A) Because
B) However
C) If
B) However
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