A(前面说I forgot to pay,所以后面说I didn't mean to,前后时态统一)
A(It was...that...是强调句型,强调的是时间“直到黄昏”not until dark,单凭此点即可确定选项;而what引导动词found的宾语从句,并在从句中作主语)
A(前面说I forgot to pay,所以后面说I didn't mean to,前后时态统一)
A(It was...that...是强调句型,强调的是时间“直到黄昏”not until dark,单凭此点即可确定选项;而what引导动词found的宾语从句,并在从句中作主语)