Um I think you swapped B and C around but it would be COMPONENTS OF A HOUSE. A house has many things in it and need to have certain things in it to stand up. Like in some cases there needs to be support. In others it can support itself.
The stranger's interaction with Elisa at her garden is different from Henry's interaction with her at her garden. The stranger's interaction with Elisa was a bit awkward since they were not introduced formally and Elisa was a bit professional as she entertains the stranger. On the other hand, Elisa was comfortable with Henry since they have been friends for a while already.
To take the place of a person, or thing, previously in authority/use.
eg: The older models have now been superseded
Synonyms: Replace,succeed,supplant
Hope this helps:)
