单选题 It is because she is too inexperienced ______ she does not know how to deal with the present situation.
【正确答案】 D
【答案解析】[考点] 强调句型 [解析] 本题考查It is…that/who…强调句型。本题强调的是原因状语从句，由此可见应该用that。 [避错] 其他三项都不符合强调句的句型结构。