A. expanding the spread of colonialism under the pretext of Christian missionary activities
B. eliminating the tribal superstitious practice of killing of triplets only
C. introducing the people to European culture and religion
D. eliminating the tribal superstitious practice of killing of twin babies
Correct Answer: Option D
D. eliminating the tribal superstitious practice of killing of twin babies
Explanation
Eliminating the tribal superstitious practice of killing of twin babies is the correct answer. This was the primary concern of Mary Slessor, a Presbyterian missionary from Scotland to alter the thinking of the people as it relates to the taboo of giving birth to twin babies.