Here the subject and who performs the action is NY
We have to find a construction in which NY is at the center and the modifiers are chained around it
(A)
Cold Spring Harbor Laboratory on Long Island,
New York,
to which Dr Watson was affiliated for more than 60 years, immediately stripped himNy stripped him. Correct
(B) Dr Watson was affiliated for more than 60 years to Cold Spring Harbor Laboratory on Long Island,
New York and was immediately strippedred part is wrongly constructed
(C) Dr Watson’s affiliation for more than 60 years to Cold Spring Harbor Laboratory on Long Island,
New York was immediately strippedNy stripped not WAS stripped
(D) Affiliation for more than 60 years to Dr. Watson,
Cold Spring Harbor Laboratory on Long Island, New York immediately stripped him
placed wrongly in the middle of the sentence
(E)
Dr Watson, affiliated for more than 60 years to Cold Spring Harbor Laboratory on Long Island, New York,
immediately stripped
Dr did not stripped, NY did