侏罗纪场景:怎么理解主语

A week before his birthday , Mrs. Jones bought her son Mathew A new bicycle ,and hid it in the shed.
“now ,Jenny “ she told to his sister ,”do’t go telling Mathew about his present”
the nest day ,Mathew said to his mother “I like the new bicycle ,mum”
Mrs. Jones was furious with jenny “I thought I told you not to tell him”she said.
“I didn’t “said jenny “I showed him”

琼斯太太在她的儿子马修生日的前一个星期给他买了一辆新自行车，并把它藏在车棚里。
“听着，珍妮，”她对马修的妹妹说，“别告诉马修这件礼物的事儿。”
第二天，马修对他妈妈说，“我非常喜欢这辆新自行车，妈。”
琼斯太太非常生气地对珍妮说，“不是告诉你别跟他说这件事吗？”
“我没有跟他说。”珍妮说，“我只是让他看了看。

文中的A week before his birthday , Mrs. Jones bought her son Mathew A new bicycle ,and hid it in the shed.
“now ,Jenny “ she told to his sister ,”do’t go telling Mathew about his present”这一段中his birthday 的是Mathew的,
his sister 是指Mathew‘sister.
谢谢！哈库 !
但第一句“A week before his birthday , Mrs. Jones bought her son Mathew A new bicycle ,and hid it in the shed”的主语应该是Mrs.Jones对吧？