23.The word "which"in line 12refers to
(A)seed
(B)bird
(C)force
(D)bill
24.The word "gap"in line 13is closest in meaning to
(A)opening
(B)flower
(C)mouth
(D)tree
25.The word "discards"in line 15is closest in meaning to
(A)eats
(B)breaks
(C)finds out
(D)gets rid of
26.The word "others"in line 18refers to
(A)bills
(B)species
(C)seeds
(D)cones
27.The word "deft"in line 19is closest in meaning to
(A)hungry
(B)skilled
(C)tired
(D)pleasant
28.The word "robust"in line 24is closest in meaning to
(A)strong
(B)colorful
(C)unusual
(D)sharp