Question

Select the topic sentence.

[1] What is amnesia? [2] Most of us think of a dramatic, total loss of memory brought on by a severe blow to the head. [3] Amnesia is, however, a very subtle and sometimes sinister illness. [4] While amnesia can result from a head injury, overwork and worry can also lead to memory lapses. [5] In some cases, diagnosis is difficult because these lapses are intermittent, rather than constant.

A.) 1
B.) 2
C.) 3
D.) 4
3.) 5

Answer 1

Number 3 is the awnser

Step-by-step explanation:

Answer 2

The answer is 3: Amnesia is, however, a very subtle, and sometimes sinister, illness.

Step-by-step explanation:

The reason for this is because that is the topic that the author is talking about: that Amnesia is a subtle and sinister illness.