29. _____, he took great photos of some precious animals after spending one week in the forest.
(A) He was careful and patient
(B) He careful and patient
(C) His being careful and patient
(D) Careful and patient
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統計: A(75), B(6), C(63), D(157), E(0) #2752139
統計: A(75), B(6), C(63), D(157), E(0) #2752139