The controlling idea is an essential part of the topic sentence ...

[Jkov05]

The controlling idea is an essential part of the topic sentence that makes a point about the
  topic.
 
  Indicate whether the statement is true or false

Question 2

The sentence I am going to write about my career is not a strong topic sentence because
 
  a. it is too vague.
  b. it expresses an incomplete thought.
  c. it is too narrow.
  d. it cannot be supported.
  e. it is an announcement.

[at]

Answer to Question 1

TRUE

Answer to Question 2

e

[Jkov05]

Wow, this really help

[ghepp]

Thanks for the timely response, appreciate it