Concept:The Jahilliyyah period was the era of ignorance before Islam in Arabia, when the Arabs worshipped many false idols.
Explanation:During the Jahilliyyah period, idol worship was widespread among the Arabs.
The famous idols mentioned in Islamic history include al-Lat, al-Uzzah, and al-Manat.
These three idols are even referred to in the Qur'an and were highly revered by the polytheists.
Other idols such as Hubal, Suwa', Wadd, and Nasr are also recorded as deities of that time.
However, al-Jibl is not documented in reliable Islamic sources as one of the Jahilliyyah idols.
Therefore, al-Jibl does not belong to the list of idols worshipped during the Jahilliyyah era.
Answer:A. al-Jibl