In this task, you are given a sentence in Persian, and your task is to translate it into English.
Q: اما پیش از آنکه او سر صحبت را در این خصوص باز کند مارتین به مسأله‌ای پرداخت که تمام فکرش را به خود مشغول کرده بود،
A: 
but before she could broach the subject Martin plunged into the one with which he was full.