11 класс. Английский язык. System of English Tenses

Она по­ху­де­ла за по­след­ний месяц, по­то­му что бе­га­ла каж­дое утро.

• She lost some weight because she has been running every morning for the last month.
• She has lost some weight because she has been running every morning for the last month.
• She has lost some weight because she has run every morning for the last month.