In bach’s day, the lutheran church service lasted about hour(s).a. oneb. twoc. threed. four

In Bach’s day, the Lutheran church service lasted about D. four hours.

Explanation:

During this time, the Lutheran Cantor of sofisticated churches was in charge of producing music for religious services and for other musical events provided by the city. On the other hand, and apart from the cantatas at St Thomas every week, musical performance in other events such as birthdays of the royalty were in the hands of J.S Bach. On average, between musical performance and sermons, his services in church lasted about 4 hours.

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