Answer:
I don't think you need a comma in this sentence but if you do the only place I can think of putting one before "Susan" but I don't think that's right
Explanation:
An appositive phrase consists of words that describes or renames the noun beside it. In the given sentence above, the appositive phrase is the new secretary of the club. This appositive phrase renames the noun beside it which is Grady.
I believe it is the second answer, "why did you interfere? your arm allowed him to stab me". Hope i helped !
<span>Information from a study that has not gone through any interpretation or processing is said to be an <u>unreliable</u> data.</span>