She ------ to the office than she got down to writing the re

She ______ to the office than she got down to writing the report.
选项:a、has no sooner got b、 had hardly got c、 no sooner got d、 had no sooner got
选哪个并做具体分析同时翻译句子
这题选A还是D,也就是说用"has"还是用"had",请帮我分析一下