____ the high cost of air transportations, we prefer sea transportations.
____ the high cost of air transportations, we prefer sea transportations.
A、Because
B、Because of
C、As
D、Due to
【正确答案】:B
【题目解析】:because因为,其后接句子;because of因为,其后接名词短语;as由于,其后接句子;due to只能引导形容词短语。
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